18820419488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{45241393}}^1$

素因数の和:45241416

約数の個数: 24

約数和(自身を含む): 39902909508

約数和(自身を除く): 21082490020

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 45241393, 90482786, 180965572, 361931144, 588138109, 723862288, 1176276218, 1447724576, 2352552436, 4705104872, 9410209744, 18820419488]

約数ペア:

[(1, 18820419488), (2, 9410209744), (4, 4705104872), (8, 2352552436), (13, 1447724576), (16, 1176276218), (26, 723862288), (32, 588138109), (52, 361931144), (104, 180965572), (208, 90482786), (416, 45241393)]