19164280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2647}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 43374240

約数和(自身を除く): 24209960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 2647, 3620, 5294, 7240, 10588, 13235, 21176, 26470, 52940, 105880, 479107, 958214, 1916428, 2395535, 3832856, 4791070, 9582140, 19164280]

約数ペア:

[(1, 19164280), (2, 9582140), (4, 4791070), (5, 3832856), (8, 2395535), (10, 1916428), (20, 958214), (40, 479107), (181, 105880), (362, 52940), (724, 26470), (905, 21176), (1448, 13235), (1810, 10588), (2647, 7240), (3620, 5294)]