18921384

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 33998616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 349, 502, 698, 753, 1004, 1047, 1396, 1506, 2008, 2094, 2259, 2792, 3012, 3141, 4188, 4518, 6024, 6282, 6777, 8376, 9036, 9423, 12564, 13554, 18072, 18846, 25128, 27108, 37692, 54216, 75384, 87599, 175198, 262797, 350396, 525594, 700792, 788391, 1051188, 1576782, 2102376, 2365173, 3153564, 4730346, 6307128, 9460692, 18921384]

約数ペア:

[(1, 18921384), (2, 9460692), (3, 6307128), (4, 4730346), (6, 3153564), (8, 2365173), (9, 2102376), (12, 1576782), (18, 1051188), (24, 788391), (27, 700792), (36, 525594), (54, 350396), (72, 262797), (108, 175198), (216, 87599), (251, 75384), (349, 54216), (502, 37692), (698, 27108), (753, 25128), (1004, 18846), (1047, 18072), (1396, 13554), (1506, 12564), (2008, 9423), (2094, 9036), (2259, 8376), (2792, 6777), (3012, 6282), (3141, 6024), (4188, 4518)]