19685276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4561}}^1$

素因数の和:4661

約数の個数: 24

約数和(自身を含む): 37554384

約数和(自身を除く): 17869108

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4561, 9122, 18244, 59293, 118586, 237172, 378563, 757126, 1514252, 4921319, 9842638, 19685276]

約数ペア:

[(1, 19685276), (2, 9842638), (4, 4921319), (13, 1514252), (26, 757126), (52, 378563), (83, 237172), (166, 118586), (332, 59293), (1079, 18244), (2158, 9122), (4316, 4561)]