17909740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{10789}}^1$

素因数の和:10881

約数の個数: 24

約数和(自身を含む): 38067120

約数和(自身を除く): 20157380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 10789, 21578, 43156, 53945, 107890, 215780, 895487, 1790974, 3581948, 4477435, 8954870, 17909740]

約数ペア:

[(1, 17909740), (2, 8954870), (4, 4477435), (5, 3581948), (10, 1790974), (20, 895487), (83, 215780), (166, 107890), (332, 53945), (415, 43156), (830, 21578), (1660, 10789)]