18905392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 40265280

約数和(自身を除く): 21359888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 659, 1304, 1318, 1793, 2608, 2636, 3586, 5272, 7172, 7249, 10544, 14344, 14498, 28688, 28996, 57992, 107417, 115984, 214834, 429668, 859336, 1181587, 1718672, 2363174, 4726348, 9452696, 18905392]

約数ペア:

[(1, 18905392), (2, 9452696), (4, 4726348), (8, 2363174), (11, 1718672), (16, 1181587), (22, 859336), (44, 429668), (88, 214834), (163, 115984), (176, 107417), (326, 57992), (652, 28996), (659, 28688), (1304, 14498), (1318, 14344), (1793, 10544), (2608, 7249), (2636, 7172), (3586, 5272)]