13290490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18719}}^1$

素因数の和:18797

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 10970630

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 18719, 37438, 93595, 187190, 1329049, 2658098, 6645245, 13290490]

約数ペア:

[(1, 13290490), (2, 6645245), (5, 2658098), (10, 1329049), (71, 187190), (142, 93595), (355, 37438), (710, 18719)]