19662664

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1129}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 42307200

約数和(自身を除く): 22644536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1129, 1244, 2177, 2258, 2488, 4354, 4516, 7903, 8708, 9032, 15806, 17416, 31612, 63224, 351119, 702238, 1404476, 2457833, 2808952, 4915666, 9831332, 19662664]

約数ペア:

[(1, 19662664), (2, 9831332), (4, 4915666), (7, 2808952), (8, 2457833), (14, 1404476), (28, 702238), (56, 351119), (311, 63224), (622, 31612), (1129, 17416), (1244, 15806), (2177, 9032), (2258, 8708), (2488, 7903), (4354, 4516)]