18129988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2141}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 33286680

約数和(自身を除く): 15156692

約数列:

[1, 2, 4, 29, 58, 73, 116, 146, 292, 2117, 2141, 4234, 4282, 8468, 8564, 62089, 124178, 156293, 248356, 312586, 625172, 4532497, 9064994, 18129988]

約数ペア:

[(1, 18129988), (2, 9064994), (4, 4532497), (29, 625172), (58, 312586), (73, 248356), (116, 156293), (146, 124178), (292, 62089), (2117, 8564), (2141, 8468), (4234, 4282)]