18257822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 14228578

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1409, 2818, 6479, 12958, 15499, 26771, 30998, 43679, 53542, 87358, 294481, 480469, 588962, 829901, 960938, 1659802, 9128911, 18257822]

約数ペア:

[(1, 18257822), (2, 9128911), (11, 1659802), (19, 960938), (22, 829901), (31, 588962), (38, 480469), (62, 294481), (209, 87358), (341, 53542), (418, 43679), (589, 30998), (682, 26771), (1178, 15499), (1409, 12958), (2818, 6479)]