18996480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 216

約数和(自身を含む): 70309512

約数和(自身を除く): 51313032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 97, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 194, 204, 240, 255, 256, 272, 288, 291, 306, 320, 340, 360, 384, 388, 408, 480, 485, 510, 544, 576, 582, 612, 640, 680, 720, 765, 768, 776, 816, 873, 960, 970, 1020, 1088, 1152, 1164, 1224, 1280, 1360, 1440, 1455, 1530, 1552, 1632, 1649, 1746, 1920, 1940, 2040, 2176, 2304, 2328, 2448, 2720, 2880, 2910, 3060, 3104, 3264, 3298, 3492, 3840, 3880, 4080, 4352, 4365, 4656, 4896, 4947, 5440, 5760, 5820, 6120, 6208, 6528, 6596, 6984, 7760, 8160, 8245, 8730, 9312, 9792, 9894, 10880, 11520, 11640, 12240, 12416, 13056, 13192, 13968, 14841, 15520, 16320, 16490, 17460, 18624, 19584, 19788, 21760, 23280, 24480, 24735, 24832, 26384, 27936, 29682, 31040, 32640, 32980, 34920, 37248, 39168, 39576, 46560, 48960, 49470, 52768, 55872, 59364, 62080, 65280, 65960, 69840, 74205, 74496, 79152, 93120, 97920, 98940, 105536, 111744, 118728, 124160, 131920, 139680, 148410, 158304, 186240, 195840, 197880, 211072, 223488, 237456, 263840, 279360, 296820, 316608, 372480, 395760, 422144, 474912, 527680, 558720, 593640, 633216, 791520, 949824, 1055360, 1117440, 1187280, 1266432, 1583040, 1899648, 2110720, 2374560, 3166080, 3799296, 4749120, 6332160, 9498240, 18996480]

約数ペア:

[(1, 18996480), (2, 9498240), (3, 6332160), (4, 4749120), (5, 3799296), (6, 3166080), (8, 2374560), (9, 2110720), (10, 1899648), (12, 1583040), (15, 1266432), (16, 1187280), (17, 1117440), (18, 1055360), (20, 949824), (24, 791520), (30, 633216), (32, 593640), (34, 558720), (36, 527680), (40, 474912), (45, 422144), (48, 395760), (51, 372480), (60, 316608), (64, 296820), (68, 279360), (72, 263840), (80, 237456), (85, 223488), (90, 211072), (96, 197880), (97, 195840), (102, 186240), (120, 158304), (128, 148410), (136, 139680), (144, 131920), (153, 124160), (160, 118728), (170, 111744), (180, 105536), (192, 98940), (194, 97920), (204, 93120), (240, 79152), (255, 74496), (256, 74205), (272, 69840), (288, 65960), (291, 65280), (306, 62080), (320, 59364), (340, 55872), (360, 52768), (384, 49470), (388, 48960), (408, 46560), (480, 39576), (485, 39168), (510, 37248), (544, 34920), (576, 32980), (582, 32640), (612, 31040), (640, 29682), (680, 27936), (720, 26384), (765, 24832), (768, 24735), (776, 24480), (816, 23280), (873, 21760), (960, 19788), (970, 19584), (1020, 18624), (1088, 17460), (1152, 16490), (1164, 16320), (1224, 15520), (1280, 14841), (1360, 13968), (1440, 13192), (1455, 13056), (1530, 12416), (1552, 12240), (1632, 11640), (1649, 11520), (1746, 10880), (1920, 9894), (1940, 9792), (2040, 9312), (2176, 8730), (2304, 8245), (2328, 8160), (2448, 7760), (2720, 6984), (2880, 6596), (2910, 6528), (3060, 6208), (3104, 6120), (3264, 5820), (3298, 5760), (3492, 5440), (3840, 4947), (3880, 4896), (4080, 4656), (4352, 4365)]