18763407

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 30654624

約数和(自身を除く): 11891217

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 173, 309, 351, 519, 927, 1053, 1339, 1557, 2249, 2781, 4017, 4671, 6747, 8343, 12051, 14013, 17819, 20241, 36153, 53457, 60723, 108459, 160371, 182169, 231647, 481113, 694941, 1443339, 2084823, 6254469, 18763407]

約数ペア:

[(1, 18763407), (3, 6254469), (9, 2084823), (13, 1443339), (27, 694941), (39, 481113), (81, 231647), (103, 182169), (117, 160371), (173, 108459), (309, 60723), (351, 53457), (519, 36153), (927, 20241), (1053, 17819), (1339, 14013), (1557, 12051), (2249, 8343), (2781, 6747), (4017, 4671)]