18227680

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3079}}^1$

素因数の和:3131

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 26013440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3079, 5920, 6158, 12316, 15395, 24632, 30790, 49264, 61580, 98528, 113923, 123160, 227846, 246320, 455692, 492640, 569615, 911384, 1139230, 1822768, 2278460, 3645536, 4556920, 9113840, 18227680]

約数ペア:

[(1, 18227680), (2, 9113840), (4, 4556920), (5, 3645536), (8, 2278460), (10, 1822768), (16, 1139230), (20, 911384), (32, 569615), (37, 492640), (40, 455692), (74, 246320), (80, 227846), (148, 123160), (160, 113923), (185, 98528), (296, 61580), (370, 49264), (592, 30790), (740, 24632), (1184, 15395), (1480, 12316), (2960, 6158), (3079, 5920)]