19880408

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60611}}^1$

素因数の和:60658

約数の個数: 16

約数和(自身を含む): 38185560

約数和(自身を除く): 18305152

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60611, 121222, 242444, 484888, 2485051, 4970102, 9940204, 19880408]

約数ペア:

[(1, 19880408), (2, 9940204), (4, 4970102), (8, 2485051), (41, 484888), (82, 242444), (164, 121222), (328, 60611)]