18910565570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8556817}}^1$

素因数の和:8556854

約数の個数: 32

約数和(自身を含む): 38813726448

約数和(自身を除く): 19903160878

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8556817, 17113634, 42784085, 85568170, 111238621, 145465889, 222477242, 290931778, 556193105, 727329445, 1112386210, 1454658890, 1891056557, 3782113114, 9455282785, 18910565570]

約数ペア:

[(1, 18910565570), (2, 9455282785), (5, 3782113114), (10, 1891056557), (13, 1454658890), (17, 1112386210), (26, 727329445), (34, 556193105), (65, 290931778), (85, 222477242), (130, 145465889), (170, 111238621), (221, 85568170), (442, 42784085), (1105, 17113634), (2210, 8556817)]