18133980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15907}}^1$

素因数の和:15938

約数の個数: 48

約数和(自身を含む): 53450880

約数和(自身を除く): 35316900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 15907, 31814, 47721, 63628, 79535, 95442, 159070, 190884, 238605, 302233, 318140, 477210, 604466, 906699, 954420, 1208932, 1511165, 1813398, 3022330, 3626796, 4533495, 6044660, 9066990, 18133980]

約数ペア:

[(1, 18133980), (2, 9066990), (3, 6044660), (4, 4533495), (5, 3626796), (6, 3022330), (10, 1813398), (12, 1511165), (15, 1208932), (19, 954420), (20, 906699), (30, 604466), (38, 477210), (57, 318140), (60, 302233), (76, 238605), (95, 190884), (114, 159070), (190, 95442), (228, 79535), (285, 63628), (380, 47721), (570, 31814), (1140, 15907)]