18819472

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1487}}^1$

素因数の和:1615

約数の個数: 40

約数和(自身を含む): 42068736

約数和(自身を除く): 23249264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1487, 1582, 1808, 2974, 3164, 5948, 6328, 10409, 11896, 12656, 20818, 23792, 41636, 83272, 166544, 168031, 336062, 672124, 1176217, 1344248, 2352434, 2688496, 4704868, 9409736, 18819472]

約数ペア:

[(1, 18819472), (2, 9409736), (4, 4704868), (7, 2688496), (8, 2352434), (14, 1344248), (16, 1176217), (28, 672124), (56, 336062), (112, 168031), (113, 166544), (226, 83272), (452, 41636), (791, 23792), (904, 20818), (1487, 12656), (1582, 11896), (1808, 10409), (2974, 6328), (3164, 5948)]