18854264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16481}}^1$

素因数の和:16511

約数の個数: 32

約数和(自身を含む): 41534640

約数和(自身を除く): 22680376

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16481, 32962, 65924, 131848, 181291, 214253, 362582, 428506, 725164, 857012, 1450328, 1714024, 2356783, 4713566, 9427132, 18854264]

約数ペア:

[(1, 18854264), (2, 9427132), (4, 4713566), (8, 2356783), (11, 1714024), (13, 1450328), (22, 857012), (26, 725164), (44, 428506), (52, 362582), (88, 214253), (104, 181291), (143, 131848), (286, 65924), (572, 32962), (1144, 16481)]