40871356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{537781}}^1$

素因数の和:537804

約数の個数: 12

約数和(自身を含む): 75289480

約数和(自身を除く): 34418124

約数列:

[1, 2, 4, 19, 38, 76, 537781, 1075562, 2151124, 10217839, 20435678, 40871356]

約数ペア:

[(1, 40871356), (2, 20435678), (4, 10217839), (19, 2151124), (38, 1075562), (76, 537781)]