18305861

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 22872960

約数和(自身を除く): 4567099

約数列:

[1, 7, 23, 37, 49, 161, 259, 439, 851, 1127, 1813, 3073, 5957, 10097, 16243, 21511, 41699, 70679, 113701, 373589, 494753, 795907, 2615123, 18305861]

約数ペア:

[(1, 18305861), (7, 2615123), (23, 795907), (37, 494753), (49, 373589), (161, 113701), (259, 70679), (439, 41699), (851, 21511), (1127, 16243), (1813, 10097), (3073, 5957)]