17801995

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2347}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 22484448

約数和(自身を除く): 4682453

約数列:

[1, 5, 37, 41, 185, 205, 1517, 2347, 7585, 11735, 86839, 96227, 434195, 481135, 3560399, 17801995]

約数ペア:

[(1, 17801995), (5, 3560399), (37, 481135), (41, 434195), (185, 96227), (205, 86839), (1517, 11735), (2347, 7585)]