19513968

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{3947}}^1$

素因数の和:4061

約数の個数: 40

約数和(自身を含む): 50913408

約数和(自身を除く): 31399440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 3947, 4944, 7894, 11841, 15788, 23682, 31576, 47364, 63152, 94728, 189456, 406541, 813082, 1219623, 1626164, 2439246, 3252328, 4878492, 6504656, 9756984, 19513968]

約数ペア:

[(1, 19513968), (2, 9756984), (3, 6504656), (4, 4878492), (6, 3252328), (8, 2439246), (12, 1626164), (16, 1219623), (24, 813082), (48, 406541), (103, 189456), (206, 94728), (309, 63152), (412, 47364), (618, 31576), (824, 23682), (1236, 15788), (1648, 11841), (2472, 7894), (3947, 4944)]