19934629

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 6878171

約数列:

[1, 11, 13, 19, 23, 29, 121, 143, 209, 247, 253, 299, 319, 377, 437, 551, 667, 1573, 2299, 2717, 2783, 3289, 3509, 4147, 4807, 5681, 6061, 7163, 7337, 8671, 12673, 29887, 36179, 45617, 52877, 62491, 66671, 78793, 80707, 95381, 139403, 164749, 687401, 866723, 1049191, 1533433, 1812239, 19934629]

約数ペア:

[(1, 19934629), (11, 1812239), (13, 1533433), (19, 1049191), (23, 866723), (29, 687401), (121, 164749), (143, 139403), (209, 95381), (247, 80707), (253, 78793), (299, 66671), (319, 62491), (377, 52877), (437, 45617), (551, 36179), (667, 29887), (1573, 12673), (2299, 8671), (2717, 7337), (2783, 7163), (3289, 6061), (3509, 5681), (4147, 4807)]