11815990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11699}}^1$

素因数の和:11807

約数の個数: 16

約数和(自身を含む): 21481200

約数和(自身を除く): 9665210

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 11699, 23398, 58495, 116990, 1181599, 2363198, 5907995, 11815990]

約数ペア:

[(1, 11815990), (2, 5907995), (5, 2363198), (10, 1181599), (101, 116990), (202, 58495), (505, 23398), (1010, 11699)]