19426760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6653}}^1$

素因数の和:6737

約数の個数: 32

約数和(自身を含む): 44315640

約数和(自身を除く): 24888880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6653, 13306, 26612, 33265, 53224, 66530, 133060, 266120, 485669, 971338, 1942676, 2428345, 3885352, 4856690, 9713380, 19426760]

約数ペア:

[(1, 19426760), (2, 9713380), (4, 4856690), (5, 3885352), (8, 2428345), (10, 1942676), (20, 971338), (40, 485669), (73, 266120), (146, 133060), (292, 66530), (365, 53224), (584, 33265), (730, 26612), (1460, 13306), (2920, 6653)]