18373912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 36630000

約数和(自身を除く): 18256088

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1109, 2071, 2218, 4142, 4436, 8284, 8872, 16568, 21071, 42142, 84284, 120881, 168568, 241762, 483524, 967048, 2296739, 4593478, 9186956, 18373912]

約数ペア:

[(1, 18373912), (2, 9186956), (4, 4593478), (8, 2296739), (19, 967048), (38, 483524), (76, 241762), (109, 168568), (152, 120881), (218, 84284), (436, 42142), (872, 21071), (1109, 16568), (2071, 8872), (2218, 8284), (4142, 4436)]