1915580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 4294920

約数和(自身を除く): 2379340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5041, 5396, 6745, 10082, 13490, 20164, 25205, 26980, 50410, 95779, 100820, 191558, 383116, 478895, 957790, 1915580]

約数ペア:

[(1, 1915580), (2, 957790), (4, 478895), (5, 383116), (10, 191558), (19, 100820), (20, 95779), (38, 50410), (71, 26980), (76, 25205), (95, 20164), (142, 13490), (190, 10082), (284, 6745), (355, 5396), (380, 5041), (710, 2698), (1349, 1420)]