19557516

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 50077440

約数和(自身を除く): 30519924

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 229, 458, 647, 687, 916, 1294, 1374, 1941, 2519, 2588, 2748, 3882, 5038, 7117, 7557, 7764, 10076, 14234, 15114, 21351, 28468, 30228, 42702, 85404, 148163, 296326, 444489, 592652, 888978, 1629793, 1777956, 3259586, 4889379, 6519172, 9778758, 19557516]

約数ペア:

[(1, 19557516), (2, 9778758), (3, 6519172), (4, 4889379), (6, 3259586), (11, 1777956), (12, 1629793), (22, 888978), (33, 592652), (44, 444489), (66, 296326), (132, 148163), (229, 85404), (458, 42702), (647, 30228), (687, 28468), (916, 21351), (1294, 15114), (1374, 14234), (1941, 10076), (2519, 7764), (2588, 7557), (2748, 7117), (3882, 5038)]