19384185

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 32554368

約数和(自身を除く): 13170183

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 733, 1763, 2199, 3665, 5289, 8815, 10995, 26445, 30053, 31519, 90159, 94557, 150265, 157595, 450795, 472785, 1292279, 3876837, 6461395, 19384185]

約数ペア:

[(1, 19384185), (3, 6461395), (5, 3876837), (15, 1292279), (41, 472785), (43, 450795), (123, 157595), (129, 150265), (205, 94557), (215, 90159), (615, 31519), (645, 30053), (733, 26445), (1763, 10995), (2199, 8815), (3665, 5289)]