19159480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1511}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 24113960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1511, 1585, 2536, 3022, 3170, 6044, 6340, 7555, 12088, 12680, 15110, 30220, 60440, 478987, 957974, 1915948, 2394935, 3831896, 4789870, 9579740, 19159480]

約数ペア:

[(1, 19159480), (2, 9579740), (4, 4789870), (5, 3831896), (8, 2394935), (10, 1915948), (20, 957974), (40, 478987), (317, 60440), (634, 30220), (1268, 15110), (1511, 12680), (1585, 12088), (2536, 7555), (3022, 6340), (3170, 6044)]