18672969

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 29466720

約数和(自身を除く): 10793751

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2153, 2891, 6459, 8673, 15071, 45213, 105497, 127027, 316491, 381081, 889189, 2667567, 6224323, 18672969]

約数ペア:

[(1, 18672969), (3, 6224323), (7, 2667567), (21, 889189), (49, 381081), (59, 316491), (147, 127027), (177, 105497), (413, 45213), (1239, 15071), (2153, 8673), (2891, 6459)]