18503030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20333}}^1$

素因数の和:20360

約数の個数: 32

約数和(自身を含む): 40993344

約数和(自身を除く): 22490314

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20333, 40666, 101665, 142331, 203330, 264329, 284662, 528658, 711655, 1321645, 1423310, 1850303, 2643290, 3700606, 9251515, 18503030]

約数ペア:

[(1, 18503030), (2, 9251515), (5, 3700606), (7, 2643290), (10, 1850303), (13, 1423310), (14, 1321645), (26, 711655), (35, 528658), (65, 284662), (70, 264329), (91, 203330), (130, 142331), (182, 101665), (455, 40666), (910, 20333)]