18727446

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 39663360

約数和(自身を除く): 20935914

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 2503, 3741, 5006, 7482, 7509, 15018, 72587, 107629, 145174, 215258, 217761, 322887, 435522, 645774, 3121241, 6242482, 9363723, 18727446]

約数ペア:

[(1, 18727446), (2, 9363723), (3, 6242482), (6, 3121241), (29, 645774), (43, 435522), (58, 322887), (86, 217761), (87, 215258), (129, 145174), (174, 107629), (258, 72587), (1247, 15018), (2494, 7509), (2503, 7482), (3741, 5006)]