18223270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 36523872

約数和(自身を除く): 18300602

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 263, 338, 410, 526, 533, 845, 1066, 1315, 1690, 2630, 2665, 3419, 5330, 6838, 6929, 10783, 13858, 17095, 21566, 34190, 34645, 44447, 53915, 69290, 88894, 107830, 140179, 222235, 280358, 444470, 700895, 1401790, 1822327, 3644654, 9111635, 18223270]

約数ペア:

[(1, 18223270), (2, 9111635), (5, 3644654), (10, 1822327), (13, 1401790), (26, 700895), (41, 444470), (65, 280358), (82, 222235), (130, 140179), (169, 107830), (205, 88894), (263, 69290), (338, 53915), (410, 44447), (526, 34645), (533, 34190), (845, 21566), (1066, 17095), (1315, 13858), (1690, 10783), (2630, 6929), (2665, 6838), (3419, 5330)]