19200315

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 32034816

約数和(自身を除く): 12834501

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 263, 465, 471, 785, 789, 1315, 2355, 3945, 4867, 8153, 14601, 24335, 24459, 40765, 41291, 73005, 122295, 123873, 206455, 619365, 1280021, 3840063, 6400105, 19200315]

約数ペア:

[(1, 19200315), (3, 6400105), (5, 3840063), (15, 1280021), (31, 619365), (93, 206455), (155, 123873), (157, 122295), (263, 73005), (465, 41291), (471, 40765), (785, 24459), (789, 24335), (1315, 14601), (2355, 8153), (3945, 4867)]