18438615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 35267232

約数和(自身を除く): 16828617

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 733, 1677, 1935, 2199, 2795, 3665, 5031, 6597, 8385, 9529, 10995, 25155, 28587, 31519, 32985, 47645, 85761, 94557, 142935, 157595, 283671, 409747, 428805, 472785, 1229241, 1418355, 2048735, 3687723, 6146205, 18438615]

約数ペア:

[(1, 18438615), (3, 6146205), (5, 3687723), (9, 2048735), (13, 1418355), (15, 1229241), (39, 472785), (43, 428805), (45, 409747), (65, 283671), (117, 157595), (129, 142935), (195, 94557), (215, 85761), (387, 47645), (559, 32985), (585, 31519), (645, 28587), (733, 25155), (1677, 10995), (1935, 9529), (2199, 8385), (2795, 6597), (3665, 5031)]