18658508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 37320864

約数和(自身を除く): 18662356

約数列:

[1, 2, 4, 11, 22, 37, 44, 73, 74, 146, 148, 157, 292, 314, 407, 628, 803, 814, 1606, 1628, 1727, 2701, 3212, 3454, 5402, 5809, 6908, 10804, 11461, 11618, 22922, 23236, 29711, 45844, 59422, 63899, 118844, 126071, 127798, 252142, 255596, 424057, 504284, 848114, 1696228, 4664627, 9329254, 18658508]

約数ペア:

[(1, 18658508), (2, 9329254), (4, 4664627), (11, 1696228), (22, 848114), (37, 504284), (44, 424057), (73, 255596), (74, 252142), (146, 127798), (148, 126071), (157, 118844), (292, 63899), (314, 59422), (407, 45844), (628, 29711), (803, 23236), (814, 22922), (1606, 11618), (1628, 11461), (1727, 10804), (2701, 6908), (3212, 5809), (3454, 5402)]