218760426

素因数分解:

$2^1\times 3^4\times {\mathrm{1350373}}^1$

素因数の和:1350387

約数の個数: 20

約数和(自身を含む): 490185762

約数和(自身を除く): 271425336

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1350373, 2700746, 4051119, 8102238, 12153357, 24306714, 36460071, 72920142, 109380213, 218760426]

約数ペア:

[(1, 218760426), (2, 109380213), (3, 72920142), (6, 36460071), (9, 24306714), (18, 12153357), (27, 8102238), (54, 4051119), (81, 2700746), (162, 1350373)]