18006950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2131}}^1$

素因数の和:2169

約数の個数: 36

約数和(自身を含む): 36284508

約数和(自身を除く): 18277558

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2131, 4225, 4262, 8450, 10655, 21310, 27703, 53275, 55406, 106550, 138515, 277030, 360139, 692575, 720278, 1385150, 1800695, 3601390, 9003475, 18006950]

約数ペア:

[(1, 18006950), (2, 9003475), (5, 3601390), (10, 1800695), (13, 1385150), (25, 720278), (26, 692575), (50, 360139), (65, 277030), (130, 138515), (169, 106550), (325, 55406), (338, 53275), (650, 27703), (845, 21310), (1690, 10655), (2131, 8450), (4225, 4262)]