19217930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2467}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 37316160

約数和(自身を除く): 18098230

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2467, 3895, 4934, 7790, 12335, 24670, 46873, 93746, 101147, 202294, 234365, 468730, 505735, 1011470, 1921793, 3843586, 9608965, 19217930]

約数ペア:

[(1, 19217930), (2, 9608965), (5, 3843586), (10, 1921793), (19, 1011470), (38, 505735), (41, 468730), (82, 234365), (95, 202294), (190, 101147), (205, 93746), (410, 46873), (779, 24670), (1558, 12335), (2467, 7790), (3895, 4934)]