18993332

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 34292160

約数和(自身を除く): 15298828

約数列:

[1, 2, 4, 41, 82, 164, 179, 358, 647, 716, 1294, 2588, 7339, 14678, 26527, 29356, 53054, 106108, 115813, 231626, 463252, 4748333, 9496666, 18993332]

約数ペア:

[(1, 18993332), (2, 9496666), (4, 4748333), (41, 463252), (82, 231626), (164, 115813), (179, 106108), (358, 53054), (647, 29356), (716, 26527), (1294, 14678), (2588, 7339)]