18803234

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1225

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 10123486

約数列:

[1, 2, 53, 106, 179, 358, 991, 1982, 9487, 18974, 52523, 105046, 177389, 354778, 9401617, 18803234]

約数ペア:

[(1, 18803234), (2, 9401617), (53, 354778), (106, 177389), (179, 105046), (358, 52523), (991, 18974), (1982, 9487)]