18823035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 19699845

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 379, 385, 473, 645, 903, 1137, 1155, 1419, 1505, 1895, 2365, 2653, 3311, 4169, 4515, 5685, 7095, 7959, 9933, 12507, 13265, 16297, 16555, 20845, 29183, 39795, 48891, 49665, 62535, 81485, 87549, 114079, 145915, 179267, 244455, 342237, 437745, 537801, 570395, 896335, 1254869, 1711185, 2689005, 3764607, 6274345, 18823035]

約数ペア:

[(1, 18823035), (3, 6274345), (5, 3764607), (7, 2689005), (11, 1711185), (15, 1254869), (21, 896335), (33, 570395), (35, 537801), (43, 437745), (55, 342237), (77, 244455), (105, 179267), (129, 145915), (165, 114079), (215, 87549), (231, 81485), (301, 62535), (379, 49665), (385, 48891), (473, 39795), (645, 29183), (903, 20845), (1137, 16555), (1155, 16297), (1419, 13265), (1505, 12507), (1895, 9933), (2365, 7959), (2653, 7095), (3311, 5685), (4169, 4515)]