18902093

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 23529600

約数和(自身を除く): 4627507

約数列:

[1, 7, 19, 49, 79, 133, 257, 553, 931, 1501, 1799, 3871, 4883, 10507, 12593, 20303, 34181, 73549, 142121, 239267, 385757, 994847, 2700299, 18902093]

約数ペア:

[(1, 18902093), (7, 2700299), (19, 994847), (49, 385757), (79, 239267), (133, 142121), (257, 73549), (553, 34181), (931, 20303), (1501, 12593), (1799, 10507), (3871, 4883)]