18877628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61291}}^1$

素因数の和:61313

約数の個数: 24

約数和(自身を含む): 41188224

約数和(自身を除く): 22310596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61291, 122582, 245164, 429037, 674201, 858074, 1348402, 1716148, 2696804, 4719407, 9438814, 18877628]

約数ペア:

[(1, 18877628), (2, 9438814), (4, 4719407), (7, 2696804), (11, 1716148), (14, 1348402), (22, 858074), (28, 674201), (44, 429037), (77, 245164), (154, 122582), (308, 61291)]