18368440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24169}}^1$

素因数の和:24199

約数の個数: 32

約数和(自身を含む): 43506000

約数和(自身を除く): 25137560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24169, 48338, 96676, 120845, 193352, 241690, 459211, 483380, 918422, 966760, 1836844, 2296055, 3673688, 4592110, 9184220, 18368440]

約数ペア:

[(1, 18368440), (2, 9184220), (4, 4592110), (5, 3673688), (8, 2296055), (10, 1836844), (19, 966760), (20, 918422), (38, 483380), (40, 459211), (76, 241690), (95, 193352), (152, 120845), (190, 96676), (380, 48338), (760, 24169)]