11981990

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{11633}}^1$

素因数の和:11743

約数の個数: 16

約数和(自身を含む): 21778848

約数和(自身を除く): 9796858

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 11633, 23266, 58165, 116330, 1198199, 2396398, 5990995, 11981990]

約数ペア:

[(1, 11981990), (2, 5990995), (5, 2396398), (10, 1198199), (103, 116330), (206, 58165), (515, 23266), (1030, 11633)]