19723647604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{653707}}^1$

素因数の和:654127

約数の個数: 24

約数和(自身を含む): 36424609760

約数和(自身を除く): 16700962156

約数列:

[1, 2, 4, 19, 38, 76, 397, 794, 1588, 7543, 15086, 30172, 653707, 1307414, 2614828, 12420433, 24840866, 49681732, 259521679, 519043358, 1038086716, 4930911901, 9861823802, 19723647604]

約数ペア:

[(1, 19723647604), (2, 9861823802), (4, 4930911901), (19, 1038086716), (38, 519043358), (76, 259521679), (397, 49681732), (794, 24840866), (1588, 12420433), (7543, 2614828), (15086, 1307414), (30172, 653707)]