18431272

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 35488800

約数和(自身を除く): 17057528

約数列:

[1, 2, 4, 8, 61, 122, 179, 211, 244, 358, 422, 488, 716, 844, 1432, 1688, 10919, 12871, 21838, 25742, 37769, 43676, 51484, 75538, 87352, 102968, 151076, 302152, 2303909, 4607818, 9215636, 18431272]

約数ペア:

[(1, 18431272), (2, 9215636), (4, 4607818), (8, 2303909), (61, 302152), (122, 151076), (179, 102968), (211, 87352), (244, 75538), (358, 51484), (422, 43676), (488, 37769), (716, 25742), (844, 21838), (1432, 12871), (1688, 10919)]