18183172

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 38158848

約数和(自身を除く): 19975676

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 337, 574, 658, 674, 1148, 1316, 1348, 1927, 2359, 3854, 4718, 7708, 9436, 13489, 13817, 15839, 26978, 27634, 31678, 53956, 55268, 63356, 96719, 110873, 193438, 221746, 386876, 443492, 649399, 1298798, 2597596, 4545793, 9091586, 18183172]

約数ペア:

[(1, 18183172), (2, 9091586), (4, 4545793), (7, 2597596), (14, 1298798), (28, 649399), (41, 443492), (47, 386876), (82, 221746), (94, 193438), (164, 110873), (188, 96719), (287, 63356), (329, 55268), (337, 53956), (574, 31678), (658, 27634), (674, 26978), (1148, 15839), (1316, 13817), (1348, 13489), (1927, 9436), (2359, 7708), (3854, 4718)]