18809716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 33775616

約数和(自身を除く): 14965900

約数列:

[1, 2, 4, 61, 122, 127, 244, 254, 508, 607, 1214, 2428, 7747, 15494, 30988, 37027, 74054, 77089, 148108, 154178, 308356, 4702429, 9404858, 18809716]

約数ペア:

[(1, 18809716), (2, 9404858), (4, 4702429), (61, 308356), (122, 154178), (127, 148108), (244, 77089), (254, 74054), (508, 37027), (607, 30988), (1214, 15494), (2428, 7747)]