19851716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{659}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 17071324

約数列:

[1, 2, 4, 17, 34, 68, 443, 659, 886, 1318, 1772, 2636, 7531, 11203, 15062, 22406, 30124, 44812, 291937, 583874, 1167748, 4962929, 9925858, 19851716]

約数ペア:

[(1, 19851716), (2, 9925858), (4, 4962929), (17, 1167748), (34, 583874), (68, 291937), (443, 44812), (659, 30124), (886, 22406), (1318, 15062), (1772, 11203), (2636, 7531)]