18842535

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15302745

約数列:

[1, 3, 5, 9, 15, 45, 47, 59, 141, 151, 177, 235, 295, 423, 453, 531, 705, 755, 885, 1359, 2115, 2265, 2655, 2773, 6795, 7097, 8319, 8909, 13865, 21291, 24957, 26727, 35485, 41595, 44545, 63873, 80181, 106455, 124785, 133635, 319365, 400905, 418723, 1256169, 2093615, 3768507, 6280845, 18842535]

約数ペア:

[(1, 18842535), (3, 6280845), (5, 3768507), (9, 2093615), (15, 1256169), (45, 418723), (47, 400905), (59, 319365), (141, 133635), (151, 124785), (177, 106455), (235, 80181), (295, 63873), (423, 44545), (453, 41595), (531, 35485), (705, 26727), (755, 24957), (885, 21291), (1359, 13865), (2115, 8909), (2265, 8319), (2655, 7097), (2773, 6795)]