18951987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1427}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 7780173

約数列:

[1, 3, 19, 57, 233, 699, 1427, 4281, 4427, 13281, 27113, 81339, 332491, 997473, 6317329, 18951987]

約数ペア:

[(1, 18951987), (3, 6317329), (19, 997473), (57, 332491), (233, 81339), (699, 27113), (1427, 13281), (4281, 4427)]