19828530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 37679310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 90, 93, 103, 115, 135, 138, 155, 186, 206, 207, 230, 270, 279, 309, 310, 345, 414, 465, 515, 558, 618, 621, 690, 713, 837, 927, 930, 1030, 1035, 1242, 1395, 1426, 1545, 1674, 1854, 2070, 2139, 2369, 2781, 2790, 3090, 3105, 3193, 3565, 4185, 4278, 4635, 4738, 5562, 6210, 6386, 6417, 7107, 7130, 8370, 9270, 9579, 10695, 11845, 12834, 13905, 14214, 15965, 19158, 19251, 21321, 21390, 23690, 27810, 28737, 31930, 32085, 35535, 38502, 42642, 47895, 57474, 63963, 64170, 71070, 73439, 86211, 95790, 96255, 106605, 127926, 143685, 146878, 172422, 192510, 213210, 220317, 287370, 319815, 367195, 431055, 440634, 639630, 660951, 734390, 862110, 1101585, 1321902, 1982853, 2203170, 3304755, 3965706, 6609510, 9914265, 19828530]

約数ペア:

[(1, 19828530), (2, 9914265), (3, 6609510), (5, 3965706), (6, 3304755), (9, 2203170), (10, 1982853), (15, 1321902), (18, 1101585), (23, 862110), (27, 734390), (30, 660951), (31, 639630), (45, 440634), (46, 431055), (54, 367195), (62, 319815), (69, 287370), (90, 220317), (93, 213210), (103, 192510), (115, 172422), (135, 146878), (138, 143685), (155, 127926), (186, 106605), (206, 96255), (207, 95790), (230, 86211), (270, 73439), (279, 71070), (309, 64170), (310, 63963), (345, 57474), (414, 47895), (465, 42642), (515, 38502), (558, 35535), (618, 32085), (621, 31930), (690, 28737), (713, 27810), (837, 23690), (927, 21390), (930, 21321), (1030, 19251), (1035, 19158), (1242, 15965), (1395, 14214), (1426, 13905), (1545, 12834), (1674, 11845), (1854, 10695), (2070, 9579), (2139, 9270), (2369, 8370), (2781, 7130), (2790, 7107), (3090, 6417), (3105, 6386), (3193, 6210), (3565, 5562), (4185, 4738), (4278, 4635)]