19850492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4357}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 37339344

約数和(自身を除く): 17488852

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4357, 4556, 8714, 17428, 74069, 148138, 291919, 296276, 583838, 1167676, 4962623, 9925246, 19850492]

約数ペア:

[(1, 19850492), (2, 9925246), (4, 4962623), (17, 1167676), (34, 583838), (67, 296276), (68, 291919), (134, 148138), (268, 74069), (1139, 17428), (2278, 8714), (4357, 4556)]