19010860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86413}}^1$

素因数の和:86433

約数の個数: 24

約数和(自身を含む): 43552656

約数和(自身を除く): 24541796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86413, 172826, 345652, 432065, 864130, 950543, 1728260, 1901086, 3802172, 4752715, 9505430, 19010860]

約数ペア:

[(1, 19010860), (2, 9505430), (4, 4752715), (5, 3802172), (10, 1901086), (11, 1728260), (20, 950543), (22, 864130), (44, 432065), (55, 345652), (110, 172826), (220, 86413)]