17990237

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 19388160

約数和(自身を除く): 1397923

約数列:

[1, 29, 47, 67, 197, 1363, 1943, 3149, 5713, 9259, 13199, 91321, 268511, 382771, 620353, 17990237]

約数ペア:

[(1, 17990237), (29, 620353), (47, 382771), (67, 268511), (197, 91321), (1363, 13199), (1943, 9259), (3149, 5713)]