18848956

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 20664644

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 167, 203, 278, 334, 406, 556, 668, 812, 973, 1169, 1946, 2338, 3892, 4031, 4676, 4843, 8062, 9686, 16124, 19372, 23213, 28217, 33901, 46426, 56434, 67802, 92852, 112868, 135604, 162491, 324982, 649964, 673177, 1346354, 2692708, 4712239, 9424478, 18848956]

約数ペア:

[(1, 18848956), (2, 9424478), (4, 4712239), (7, 2692708), (14, 1346354), (28, 673177), (29, 649964), (58, 324982), (116, 162491), (139, 135604), (167, 112868), (203, 92852), (278, 67802), (334, 56434), (406, 46426), (556, 33901), (668, 28217), (812, 23213), (973, 19372), (1169, 16124), (1946, 9686), (2338, 8062), (3892, 4843), (4031, 4676)]