18163990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8219}}^1$

素因数の和:8256

約数の個数: 32

約数和(自身を含む): 37285920

約数和(自身を除く): 19121930

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8219, 16438, 41095, 82190, 106847, 139723, 213694, 279446, 534235, 698615, 1068470, 1397230, 1816399, 3632798, 9081995, 18163990]

約数ペア:

[(1, 18163990), (2, 9081995), (5, 3632798), (10, 1816399), (13, 1397230), (17, 1068470), (26, 698615), (34, 534235), (65, 279446), (85, 213694), (130, 139723), (170, 106847), (221, 82190), (442, 41095), (1105, 16438), (2210, 8219)]