18669417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 10723863

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 971, 1131, 1479, 2913, 6409, 12623, 16507, 19227, 28159, 37869, 49521, 84477, 214591, 366067, 478703, 643773, 1098201, 1436109, 6223139, 18669417]

約数ペア:

[(1, 18669417), (3, 6223139), (13, 1436109), (17, 1098201), (29, 643773), (39, 478703), (51, 366067), (87, 214591), (221, 84477), (377, 49521), (493, 37869), (663, 28159), (971, 19227), (1131, 16507), (1479, 12623), (2913, 6409)]