18819374

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15706066

約数列:

[1, 2, 7, 14, 17, 34, 107, 119, 214, 238, 739, 749, 1478, 1498, 1819, 3638, 5173, 10346, 12563, 12733, 25126, 25466, 79073, 87941, 158146, 175882, 553511, 1107022, 1344241, 2688482, 9409687, 18819374]

約数ペア:

[(1, 18819374), (2, 9409687), (7, 2688482), (14, 1344241), (17, 1107022), (34, 553511), (107, 175882), (119, 158146), (214, 87941), (238, 79073), (739, 25466), (749, 25126), (1478, 12733), (1498, 12563), (1819, 10346), (3638, 5173)]