18224240

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2129}}^1$

素因数の和:2249

約数の個数: 40

約数和(自身を含む): 42787440

約数和(自身を除く): 24563200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2129, 2140, 4258, 4280, 8516, 8560, 10645, 17032, 21290, 34064, 42580, 85160, 170320, 227803, 455606, 911212, 1139015, 1822424, 2278030, 3644848, 4556060, 9112120, 18224240]

約数ペア:

[(1, 18224240), (2, 9112120), (4, 4556060), (5, 3644848), (8, 2278030), (10, 1822424), (16, 1139015), (20, 911212), (40, 455606), (80, 227803), (107, 170320), (214, 85160), (428, 42580), (535, 34064), (856, 21290), (1070, 17032), (1712, 10645), (2129, 8560), (2140, 8516), (4258, 4280)]