19403180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51061}}^1$

素因数の和:51089

約数の個数: 24

約数和(自身を含む): 42892080

約数和(自身を除く): 23488900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51061, 102122, 204244, 255305, 510610, 970159, 1021220, 1940318, 3880636, 4850795, 9701590, 19403180]

約数ペア:

[(1, 19403180), (2, 9701590), (4, 4850795), (5, 3880636), (10, 1940318), (19, 1021220), (20, 970159), (38, 510610), (76, 255305), (95, 204244), (190, 102122), (380, 51061)]