18425420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70867}}^1$

素因数の和:70889

約数の個数: 24

約数和(自身を含む): 41670384

約数和(自身を除く): 23244964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70867, 141734, 283468, 354335, 708670, 921271, 1417340, 1842542, 3685084, 4606355, 9212710, 18425420]

約数ペア:

[(1, 18425420), (2, 9212710), (4, 4606355), (5, 3685084), (10, 1842542), (13, 1417340), (20, 921271), (26, 708670), (52, 354335), (65, 283468), (130, 141734), (260, 70867)]