18700591

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4584209

約数列:

[1, 7, 13, 89, 91, 623, 1157, 2309, 8099, 16163, 30017, 205501, 210119, 1438507, 2671513, 18700591]

約数ペア:

[(1, 18700591), (7, 2671513), (13, 1438507), (89, 210119), (91, 205501), (623, 30017), (1157, 16163), (2309, 8099)]