19680160479

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1\times {\mathrm{6829}}^1$

素因数の和:8207

約数の個数: 32

約数和(自身を含む): 30292416000

約数和(自身を除く): 10612255521

約数列:

[1, 3, 7, 21, 109, 327, 763, 1259, 2289, 3777, 6829, 8813, 20487, 26439, 47803, 137231, 143409, 411693, 744361, 960617, 2233083, 2881851, 5210527, 8597711, 15631581, 25793133, 60183977, 180551931, 937150499, 2811451497, 6560053493, 19680160479]

約数ペア:

[(1, 19680160479), (3, 6560053493), (7, 2811451497), (21, 937150499), (109, 180551931), (327, 60183977), (763, 25793133), (1259, 15631581), (2289, 8597711), (3777, 5210527), (6829, 2881851), (8813, 2233083), (20487, 960617), (26439, 744361), (47803, 411693), (137231, 143409)]