17908670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 34903008

約数和(自身を除く): 16994338

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 347, 397, 694, 794, 1735, 1985, 3470, 3970, 4511, 5161, 9022, 10322, 22555, 25805, 45110, 51610, 137759, 275518, 688795, 1377590, 1790867, 3581734, 8954335, 17908670]

約数ペア:

[(1, 17908670), (2, 8954335), (5, 3581734), (10, 1790867), (13, 1377590), (26, 688795), (65, 275518), (130, 137759), (347, 51610), (397, 45110), (694, 25805), (794, 22555), (1735, 10322), (1985, 9022), (3470, 5161), (3970, 4511)]