18917406

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 23764194

約数列:

[1, 2, 3, 6, 9, 18, 47, 59, 94, 118, 141, 177, 282, 354, 379, 423, 531, 758, 846, 1062, 1137, 2274, 2773, 3411, 5546, 6822, 8319, 16638, 17813, 22361, 24957, 35626, 44722, 49914, 53439, 67083, 106878, 134166, 160317, 201249, 320634, 402498, 1050967, 2101934, 3152901, 6305802, 9458703, 18917406]

約数ペア:

[(1, 18917406), (2, 9458703), (3, 6305802), (6, 3152901), (9, 2101934), (18, 1050967), (47, 402498), (59, 320634), (94, 201249), (118, 160317), (141, 134166), (177, 106878), (282, 67083), (354, 53439), (379, 49914), (423, 44722), (531, 35626), (758, 24957), (846, 22361), (1062, 17813), (1137, 16638), (2274, 8319), (2773, 6822), (3411, 5546)]