18393417

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1039}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 30501120

約数和(自身を除く): 12107703

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1039, 1967, 2529, 3117, 5901, 7273, 9351, 17703, 21819, 65457, 291959, 875877, 2043713, 2627631, 6131139, 18393417]

約数ペア:

[(1, 18393417), (3, 6131139), (7, 2627631), (9, 2043713), (21, 875877), (63, 291959), (281, 65457), (843, 21819), (1039, 17703), (1967, 9351), (2529, 7273), (3117, 5901)]