19929330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2895

約数の個数: 48

約数和(自身を含む): 52490880

約数和(自身を除く): 32561550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2803, 3555, 5606, 7110, 8409, 14015, 16818, 25227, 28030, 42045, 50454, 84090, 126135, 221437, 252270, 442874, 664311, 1107185, 1328622, 1992933, 2214370, 3321555, 3985866, 6643110, 9964665, 19929330]

約数ペア:

[(1, 19929330), (2, 9964665), (3, 6643110), (5, 3985866), (6, 3321555), (9, 2214370), (10, 1992933), (15, 1328622), (18, 1107185), (30, 664311), (45, 442874), (79, 252270), (90, 221437), (158, 126135), (237, 84090), (395, 50454), (474, 42045), (711, 28030), (790, 25227), (1185, 16818), (1422, 14015), (2370, 8409), (2803, 7110), (3555, 5606)]