18404240

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{607}}^1$

素因数の和:999

約数の個数: 40

約数和(自身を含む): 42973440

約数和(自身を除く): 24569200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 607, 758, 1214, 1516, 1895, 2428, 3032, 3035, 3790, 4856, 6064, 6070, 7580, 9712, 12140, 15160, 24280, 30320, 48560, 230053, 460106, 920212, 1150265, 1840424, 2300530, 3680848, 4601060, 9202120, 18404240]

約数ペア:

[(1, 18404240), (2, 9202120), (4, 4601060), (5, 3680848), (8, 2300530), (10, 1840424), (16, 1150265), (20, 920212), (40, 460106), (80, 230053), (379, 48560), (607, 30320), (758, 24280), (1214, 15160), (1516, 12140), (1895, 9712), (2428, 7580), (3032, 6070), (3035, 6064), (3790, 4856)]