18729352

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 17403128

約数列:

[1, 2, 4, 8, 53, 106, 163, 212, 271, 326, 424, 542, 652, 1084, 1304, 2168, 8639, 14363, 17278, 28726, 34556, 44173, 57452, 69112, 88346, 114904, 176692, 353384, 2341169, 4682338, 9364676, 18729352]

約数ペア:

[(1, 18729352), (2, 9364676), (4, 4682338), (8, 2341169), (53, 353384), (106, 176692), (163, 114904), (212, 88346), (271, 69112), (326, 57452), (424, 44173), (542, 34556), (652, 28726), (1084, 17278), (1304, 14363), (2168, 8639)]