19590560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11131}}^1$

素因数の和:11157

約数の個数: 48

約数和(自身を含む): 50494752

約数和(自身を除く): 30904192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11131, 22262, 44524, 55655, 89048, 111310, 122441, 178096, 222620, 244882, 356192, 445240, 489764, 612205, 890480, 979528, 1224410, 1780960, 1959056, 2448820, 3918112, 4897640, 9795280, 19590560]

約数ペア:

[(1, 19590560), (2, 9795280), (4, 4897640), (5, 3918112), (8, 2448820), (10, 1959056), (11, 1780960), (16, 1224410), (20, 979528), (22, 890480), (32, 612205), (40, 489764), (44, 445240), (55, 356192), (80, 244882), (88, 222620), (110, 178096), (160, 122441), (176, 111310), (220, 89048), (352, 55655), (440, 44524), (880, 22262), (1760, 11131)]