19797885

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2767}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 35873280

約数和(自身を除く): 16075395

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2767, 7155, 8301, 13835, 24903, 41505, 74709, 124515, 146651, 373545, 439953, 733255, 1319859, 2199765, 3959577, 6599295, 19797885]

約数ペア:

[(1, 19797885), (3, 6599295), (5, 3959577), (9, 2199765), (15, 1319859), (27, 733255), (45, 439953), (53, 373545), (135, 146651), (159, 124515), (265, 74709), (477, 41505), (795, 24903), (1431, 13835), (2385, 8301), (2767, 7155)]