18534880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 57576960

約数和(自身を除く): 39042080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 65, 67, 70, 76, 80, 91, 95, 104, 112, 130, 133, 134, 140, 152, 160, 182, 190, 208, 224, 247, 260, 266, 268, 280, 304, 335, 364, 380, 416, 455, 469, 494, 520, 532, 536, 560, 608, 665, 670, 728, 760, 871, 910, 938, 988, 1040, 1064, 1072, 1120, 1235, 1273, 1330, 1340, 1456, 1520, 1729, 1742, 1820, 1876, 1976, 2080, 2128, 2144, 2345, 2470, 2546, 2660, 2680, 2912, 3040, 3458, 3484, 3640, 3752, 3952, 4256, 4355, 4690, 4940, 5092, 5320, 5360, 6097, 6365, 6916, 6968, 7280, 7504, 7904, 8645, 8710, 8911, 9380, 9880, 10184, 10640, 10720, 12194, 12730, 13832, 13936, 14560, 15008, 16549, 17290, 17420, 17822, 18760, 19760, 20368, 21280, 24388, 25460, 27664, 27872, 30485, 33098, 34580, 34840, 35644, 37520, 39520, 40736, 44555, 48776, 50920, 55328, 60970, 66196, 69160, 69680, 71288, 75040, 82745, 89110, 97552, 101840, 115843, 121940, 132392, 138320, 139360, 142576, 165490, 178220, 195104, 203680, 231686, 243880, 264784, 276640, 285152, 330980, 356440, 463372, 487760, 529568, 579215, 661960, 712880, 926744, 975520, 1158430, 1323920, 1425760, 1853488, 2316860, 2647840, 3706976, 4633720, 9267440, 18534880]

約数ペア:

[(1, 18534880), (2, 9267440), (4, 4633720), (5, 3706976), (7, 2647840), (8, 2316860), (10, 1853488), (13, 1425760), (14, 1323920), (16, 1158430), (19, 975520), (20, 926744), (26, 712880), (28, 661960), (32, 579215), (35, 529568), (38, 487760), (40, 463372), (52, 356440), (56, 330980), (65, 285152), (67, 276640), (70, 264784), (76, 243880), (80, 231686), (91, 203680), (95, 195104), (104, 178220), (112, 165490), (130, 142576), (133, 139360), (134, 138320), (140, 132392), (152, 121940), (160, 115843), (182, 101840), (190, 97552), (208, 89110), (224, 82745), (247, 75040), (260, 71288), (266, 69680), (268, 69160), (280, 66196), (304, 60970), (335, 55328), (364, 50920), (380, 48776), (416, 44555), (455, 40736), (469, 39520), (494, 37520), (520, 35644), (532, 34840), (536, 34580), (560, 33098), (608, 30485), (665, 27872), (670, 27664), (728, 25460), (760, 24388), (871, 21280), (910, 20368), (938, 19760), (988, 18760), (1040, 17822), (1064, 17420), (1072, 17290), (1120, 16549), (1235, 15008), (1273, 14560), (1330, 13936), (1340, 13832), (1456, 12730), (1520, 12194), (1729, 10720), (1742, 10640), (1820, 10184), (1876, 9880), (1976, 9380), (2080, 8911), (2128, 8710), (2144, 8645), (2345, 7904), (2470, 7504), (2546, 7280), (2660, 6968), (2680, 6916), (2912, 6365), (3040, 6097), (3458, 5360), (3484, 5320), (3640, 5092), (3752, 4940), (3952, 4690), (4256, 4355)]