18712224

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1570

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 35774208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1511, 1548, 2064, 3022, 3096, 4128, 4533, 6044, 6192, 9066, 12088, 12384, 13599, 18132, 24176, 27198, 36264, 48352, 54396, 64973, 72528, 108792, 129946, 145056, 194919, 217584, 259892, 389838, 435168, 519784, 584757, 779676, 1039568, 1169514, 1559352, 2079136, 2339028, 3118704, 4678056, 6237408, 9356112, 18712224]

約数ペア:

[(1, 18712224), (2, 9356112), (3, 6237408), (4, 4678056), (6, 3118704), (8, 2339028), (9, 2079136), (12, 1559352), (16, 1169514), (18, 1039568), (24, 779676), (32, 584757), (36, 519784), (43, 435168), (48, 389838), (72, 259892), (86, 217584), (96, 194919), (129, 145056), (144, 129946), (172, 108792), (258, 72528), (288, 64973), (344, 54396), (387, 48352), (516, 36264), (688, 27198), (774, 24176), (1032, 18132), (1376, 13599), (1511, 12384), (1548, 12088), (2064, 9066), (3022, 6192), (3096, 6044), (4128, 4533)]