18653805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 34369920

約数和(自身を除く): 15716115

約数列:

[1, 3, 5, 9, 15, 23, 45, 67, 69, 115, 201, 207, 269, 335, 345, 603, 807, 1005, 1035, 1345, 1541, 2421, 3015, 4035, 4623, 6187, 7705, 12105, 13869, 18023, 18561, 23115, 30935, 54069, 55683, 69345, 90115, 92805, 162207, 270345, 278415, 414529, 811035, 1243587, 2072645, 3730761, 6217935, 18653805]

約数ペア:

[(1, 18653805), (3, 6217935), (5, 3730761), (9, 2072645), (15, 1243587), (23, 811035), (45, 414529), (67, 278415), (69, 270345), (115, 162207), (201, 92805), (207, 90115), (269, 69345), (335, 55683), (345, 54069), (603, 30935), (807, 23115), (1005, 18561), (1035, 18023), (1345, 13869), (1541, 12105), (2421, 7705), (3015, 6187), (4035, 4623)]