18969770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65413}}^1$

素因数の和:65449

約数の個数: 16

約数和(自身を含む): 35323560

約数和(自身を除く): 16353790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65413, 130826, 327065, 654130, 1896977, 3793954, 9484885, 18969770]

約数ペア:

[(1, 18969770), (2, 9484885), (5, 3793954), (10, 1896977), (29, 654130), (58, 327065), (145, 130826), (290, 65413)]