18894967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2333}}^1$

素因数の和:2442

約数の個数: 16

約数和(自身を含む): 23526720

約数和(自身を除く): 4631753

約数列:

[1, 7, 13, 89, 91, 623, 1157, 2333, 8099, 16331, 30329, 207637, 212303, 1453459, 2699281, 18894967]

約数ペア:

[(1, 18894967), (7, 2699281), (13, 1453459), (89, 212303), (91, 207637), (623, 30329), (1157, 16331), (2333, 8099)]