19820890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15607}}^1$

素因数の和:15741

約数の個数: 16

約数和(自身を含む): 35960832

約数和(自身を除く): 16139942

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15607, 31214, 78035, 156070, 1982089, 3964178, 9910445, 19820890]

約数ペア:

[(1, 19820890), (2, 9910445), (5, 3964178), (10, 1982089), (127, 156070), (254, 78035), (635, 31214), (1270, 15607)]