19808108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 16856212

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 991, 1052, 1982, 3964, 4997, 9994, 18829, 19988, 37658, 75316, 260633, 521266, 1042532, 4952027, 9904054, 19808108]

約数ペア:

[(1, 19808108), (2, 9904054), (4, 4952027), (19, 1042532), (38, 521266), (76, 260633), (263, 75316), (526, 37658), (991, 19988), (1052, 18829), (1982, 9994), (3964, 4997)]