18047900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13883}}^1$

素因数の和:13910

約数の個数: 36

約数和(自身を含む): 42179592

約数和(自身を除く): 24131692

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13883, 27766, 55532, 69415, 138830, 180479, 277660, 347075, 360958, 694150, 721916, 902395, 1388300, 1804790, 3609580, 4511975, 9023950, 18047900]

約数ペア:

[(1, 18047900), (2, 9023950), (4, 4511975), (5, 3609580), (10, 1804790), (13, 1388300), (20, 902395), (25, 721916), (26, 694150), (50, 360958), (52, 347075), (65, 277660), (100, 180479), (130, 138830), (260, 69415), (325, 55532), (650, 27766), (1300, 13883)]