18181968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 54746496

約数和(自身を除く): 36564528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1021, 1113, 1272, 1484, 2042, 2226, 2544, 2968, 3063, 4084, 4452, 5936, 6126, 7147, 8168, 8904, 12252, 14294, 16336, 17808, 21441, 24504, 28588, 42882, 49008, 54113, 57176, 85764, 108226, 114352, 162339, 171528, 216452, 324678, 343056, 378791, 432904, 649356, 757582, 865808, 1136373, 1298712, 1515164, 2272746, 2597424, 3030328, 4545492, 6060656, 9090984, 18181968]

約数ペア:

[(1, 18181968), (2, 9090984), (3, 6060656), (4, 4545492), (6, 3030328), (7, 2597424), (8, 2272746), (12, 1515164), (14, 1298712), (16, 1136373), (21, 865808), (24, 757582), (28, 649356), (42, 432904), (48, 378791), (53, 343056), (56, 324678), (84, 216452), (106, 171528), (112, 162339), (159, 114352), (168, 108226), (212, 85764), (318, 57176), (336, 54113), (371, 49008), (424, 42882), (636, 28588), (742, 24504), (848, 21441), (1021, 17808), (1113, 16336), (1272, 14294), (1484, 12252), (2042, 8904), (2226, 8168), (2544, 7147), (2968, 6126), (3063, 5936), (4084, 4452)]