19516276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 37202760

約数和(自身を除く): 17686484

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4217, 4628, 8434, 16868, 54821, 109642, 219284, 375313, 750626, 1501252, 4879069, 9758138, 19516276]

約数ペア:

[(1, 19516276), (2, 9758138), (4, 4879069), (13, 1501252), (26, 750626), (52, 375313), (89, 219284), (178, 109642), (356, 54821), (1157, 16868), (2314, 8434), (4217, 4628)]