19786790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17952730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 467, 934, 1115, 2230, 2335, 4237, 4670, 8474, 8873, 17746, 21185, 42370, 44365, 88730, 104141, 208282, 520705, 1041410, 1978679, 3957358, 9893395, 19786790]

約数ペア:

[(1, 19786790), (2, 9893395), (5, 3957358), (10, 1978679), (19, 1041410), (38, 520705), (95, 208282), (190, 104141), (223, 88730), (446, 44365), (467, 42370), (934, 21185), (1115, 17746), (2230, 8873), (2335, 8474), (4237, 4670)]