18876264399

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{4129}}^1\times {\mathrm{11813}}^1$

素因数の和:15991

約数の個数: 24

約数和(自身を含む): 27908921040

約数和(自身を除く): 9032656641

約数列:

[1, 3, 9, 43, 129, 387, 4129, 11813, 12387, 35439, 37161, 106317, 177547, 507959, 532641, 1523877, 1597923, 4571631, 48775877, 146327631, 438982893, 2097362711, 6292088133, 18876264399]

約数ペア:

[(1, 18876264399), (3, 6292088133), (9, 2097362711), (43, 438982893), (129, 146327631), (387, 48775877), (4129, 4571631), (11813, 1597923), (12387, 1523877), (35439, 532641), (37161, 507959), (106317, 177547)]