18191368321

素因数分解:

$7^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1\times {\mathrm{24593}}^1$

素因数の和:25272

約数の個数: 16

約数和(自身を含む): 20923394688

約数和(自身を除く): 2732026367

約数列:

[1, 7, 251, 421, 1757, 2947, 24593, 105671, 172151, 739697, 6172843, 10353653, 43209901, 72475571, 2598766903, 18191368321]

約数ペア:

[(1, 18191368321), (7, 2598766903), (251, 72475571), (421, 43209901), (1757, 10353653), (2947, 6172843), (24593, 739697), (105671, 172151)]