18905722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 33638400

約数和(自身を除く): 14732678

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1459, 2918, 6479, 12958, 16049, 27721, 32098, 45229, 55442, 90458, 304931, 497519, 609862, 859351, 995038, 1718702, 9452861, 18905722]

約数ペア:

[(1, 18905722), (2, 9452861), (11, 1718702), (19, 995038), (22, 859351), (31, 609862), (38, 497519), (62, 304931), (209, 90458), (341, 55442), (418, 45229), (589, 32098), (682, 27721), (1178, 16049), (1459, 12958), (2918, 6479)]