19996050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1347

約数の個数: 48

約数和(自身を含む): 50086080

約数和(自身を除く): 30090030

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 150, 218, 327, 545, 654, 1090, 1223, 1635, 2446, 2725, 3270, 3669, 5450, 6115, 7338, 8175, 12230, 16350, 18345, 30575, 36690, 61150, 91725, 133307, 183450, 266614, 399921, 666535, 799842, 1333070, 1999605, 3332675, 3999210, 6665350, 9998025, 19996050]

約数ペア:

[(1, 19996050), (2, 9998025), (3, 6665350), (5, 3999210), (6, 3332675), (10, 1999605), (15, 1333070), (25, 799842), (30, 666535), (50, 399921), (75, 266614), (109, 183450), (150, 133307), (218, 91725), (327, 61150), (545, 36690), (654, 30575), (1090, 18345), (1223, 16350), (1635, 12230), (2446, 8175), (2725, 7338), (3270, 6115), (3669, 5450)]