9919558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 24

約数和(自身を含む): 17145000

約数和(自身を除く): 7225442

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 1249, 2498, 3971, 7942, 13739, 23731, 27478, 47462, 261041, 450889, 522082, 901778, 4959779, 9919558]

約数ペア:

[(1, 9919558), (2, 4959779), (11, 901778), (19, 522082), (22, 450889), (38, 261041), (209, 47462), (361, 27478), (418, 23731), (722, 13739), (1249, 7942), (2498, 3971)]