18461920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6073}}^1$

素因数の和:6107

約数の個数: 48

約数和(自身を含む): 45919440

約数和(自身を除く): 27457520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6073, 12146, 24292, 30365, 48584, 60730, 97168, 115387, 121460, 194336, 230774, 242920, 461548, 485840, 576935, 923096, 971680, 1153870, 1846192, 2307740, 3692384, 4615480, 9230960, 18461920]

約数ペア:

[(1, 18461920), (2, 9230960), (4, 4615480), (5, 3692384), (8, 2307740), (10, 1846192), (16, 1153870), (19, 971680), (20, 923096), (32, 576935), (38, 485840), (40, 461548), (76, 242920), (80, 230774), (95, 194336), (152, 121460), (160, 115387), (190, 97168), (304, 60730), (380, 48584), (608, 30365), (760, 24292), (1520, 12146), (3040, 6073)]