18219848415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{974063}}^1$

素因数の和:974143

約数の個数: 32

約数和(自身を含む): 30858347520

約数和(自身を除く): 12638499105

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 6235, 18705, 974063, 2922189, 4870315, 14610945, 28247827, 41884709, 84743481, 125654127, 141239135, 209423545, 423717405, 628270635, 1214656561, 3643969683, 6073282805, 18219848415]

約数ペア:

[(1, 18219848415), (3, 6073282805), (5, 3643969683), (15, 1214656561), (29, 628270635), (43, 423717405), (87, 209423545), (129, 141239135), (145, 125654127), (215, 84743481), (435, 41884709), (645, 28247827), (1247, 14610945), (3741, 4870315), (6235, 2922189), (18705, 974063)]