18019915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 5113685

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2099, 8585, 10495, 35683, 178415, 211999, 1059995, 3603983, 18019915]

約数ペア:

[(1, 18019915), (5, 3603983), (17, 1059995), (85, 211999), (101, 178415), (505, 35683), (1717, 10495), (2099, 8585)]