18595480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1171}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 41981040

約数和(自身を除く): 23385560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1171, 1588, 1985, 2342, 3176, 3970, 4684, 5855, 7940, 9368, 11710, 15880, 23420, 46840, 464887, 929774, 1859548, 2324435, 3719096, 4648870, 9297740, 18595480]

約数ペア:

[(1, 18595480), (2, 9297740), (4, 4648870), (5, 3719096), (8, 2324435), (10, 1859548), (20, 929774), (40, 464887), (397, 46840), (794, 23420), (1171, 15880), (1588, 11710), (1985, 9368), (2342, 7940), (3176, 5855), (3970, 4684)]