18698188

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 33747840

約数和(自身を除く): 15049652

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 991, 1982, 3964, 4717, 9434, 18868, 52523, 88199, 105046, 176398, 210092, 352796, 4674547, 9349094, 18698188]

約数ペア:

[(1, 18698188), (2, 9349094), (4, 4674547), (53, 352796), (89, 210092), (106, 176398), (178, 105046), (212, 88199), (356, 52523), (991, 18868), (1982, 9434), (3964, 4717)]