17864972060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68711431}}^1$

素因数の和:68711453

約数の個数: 24

約数和(自身を含む): 40402322016

約数和(自身を除く): 22537349956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68711431, 137422862, 274845724, 343557155, 687114310, 893248603, 1374228620, 1786497206, 3572994412, 4466243015, 8932486030, 17864972060]

約数ペア:

[(1, 17864972060), (2, 8932486030), (4, 4466243015), (5, 3572994412), (10, 1786497206), (13, 1374228620), (20, 893248603), (26, 687114310), (52, 343557155), (65, 274845724), (130, 137422862), (260, 68711431)]