19510597442

素因数分解:

$2^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{628037}}^1$

素因数の和:628370

約数の個数: 24

約数和(自身を含む): 34151450364

約数和(自身を除く): 14640852922

約数列:

[1, 2, 7, 14, 49, 98, 317, 634, 2219, 4438, 15533, 31066, 628037, 1256074, 4396259, 8792518, 30773813, 61547626, 199087729, 398175458, 1393614103, 2787228206, 9755298721, 19510597442]

約数ペア:

[(1, 19510597442), (2, 9755298721), (7, 2787228206), (14, 1393614103), (49, 398175458), (98, 199087729), (317, 61547626), (634, 30773813), (2219, 8792518), (4438, 4396259), (15533, 1256074), (31066, 628037)]