18719040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 224

約数和(自身を含む): 66714624

約数和(自身を除く): 47995584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 37, 40, 48, 51, 60, 62, 64, 68, 74, 80, 85, 93, 96, 102, 111, 120, 124, 136, 148, 155, 160, 170, 185, 186, 192, 204, 222, 240, 248, 255, 272, 296, 310, 320, 340, 370, 372, 408, 444, 465, 480, 496, 510, 527, 544, 555, 592, 620, 629, 680, 740, 744, 816, 888, 930, 960, 992, 1020, 1054, 1088, 1110, 1147, 1184, 1240, 1258, 1360, 1480, 1488, 1581, 1632, 1776, 1860, 1887, 1984, 2040, 2108, 2220, 2294, 2368, 2480, 2516, 2635, 2720, 2960, 2976, 3145, 3162, 3264, 3441, 3552, 3720, 3774, 4080, 4216, 4440, 4588, 4960, 5032, 5270, 5440, 5735, 5920, 5952, 6290, 6324, 6882, 7104, 7440, 7548, 7905, 8160, 8432, 8880, 9176, 9435, 9920, 10064, 10540, 11470, 11840, 12580, 12648, 13764, 14880, 15096, 15810, 16320, 16864, 17205, 17760, 18352, 18870, 19499, 20128, 21080, 22940, 25160, 25296, 27528, 29760, 30192, 31620, 33728, 34410, 35520, 36704, 37740, 38998, 40256, 42160, 45880, 50320, 50592, 55056, 58497, 60384, 63240, 68820, 73408, 75480, 77996, 84320, 91760, 97495, 100640, 101184, 110112, 116994, 120768, 126480, 137640, 150960, 155992, 168640, 183520, 194990, 201280, 220224, 233988, 252960, 275280, 292485, 301920, 311984, 367040, 389980, 467976, 505920, 550560, 584970, 603840, 623968, 779960, 935952, 1101120, 1169940, 1247936, 1559920, 1871904, 2339880, 3119840, 3743808, 4679760, 6239680, 9359520, 18719040]

約数ペア:

[(1, 18719040), (2, 9359520), (3, 6239680), (4, 4679760), (5, 3743808), (6, 3119840), (8, 2339880), (10, 1871904), (12, 1559920), (15, 1247936), (16, 1169940), (17, 1101120), (20, 935952), (24, 779960), (30, 623968), (31, 603840), (32, 584970), (34, 550560), (37, 505920), (40, 467976), (48, 389980), (51, 367040), (60, 311984), (62, 301920), (64, 292485), (68, 275280), (74, 252960), (80, 233988), (85, 220224), (93, 201280), (96, 194990), (102, 183520), (111, 168640), (120, 155992), (124, 150960), (136, 137640), (148, 126480), (155, 120768), (160, 116994), (170, 110112), (185, 101184), (186, 100640), (192, 97495), (204, 91760), (222, 84320), (240, 77996), (248, 75480), (255, 73408), (272, 68820), (296, 63240), (310, 60384), (320, 58497), (340, 55056), (370, 50592), (372, 50320), (408, 45880), (444, 42160), (465, 40256), (480, 38998), (496, 37740), (510, 36704), (527, 35520), (544, 34410), (555, 33728), (592, 31620), (620, 30192), (629, 29760), (680, 27528), (740, 25296), (744, 25160), (816, 22940), (888, 21080), (930, 20128), (960, 19499), (992, 18870), (1020, 18352), (1054, 17760), (1088, 17205), (1110, 16864), (1147, 16320), (1184, 15810), (1240, 15096), (1258, 14880), (1360, 13764), (1480, 12648), (1488, 12580), (1581, 11840), (1632, 11470), (1776, 10540), (1860, 10064), (1887, 9920), (1984, 9435), (2040, 9176), (2108, 8880), (2220, 8432), (2294, 8160), (2368, 7905), (2480, 7548), (2516, 7440), (2635, 7104), (2720, 6882), (2960, 6324), (2976, 6290), (3145, 5952), (3162, 5920), (3264, 5735), (3441, 5440), (3552, 5270), (3720, 5032), (3774, 4960), (4080, 4588), (4216, 4440)]