19155285

素因数分解:

$3^4\times 5^1\times {\mathrm{47297}}^1$

素因数の和:47314

約数の個数: 20

約数和(自身を含む): 34338348

約数和(自身を除く): 15183063

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47297, 141891, 236485, 425673, 709455, 1277019, 2128365, 3831057, 6385095, 19155285]

約数ペア:

[(1, 19155285), (3, 6385095), (5, 3831057), (9, 2128365), (15, 1277019), (27, 709455), (45, 425673), (81, 236485), (135, 141891), (405, 47297)]