19812049605

素因数分解:

$3^4\times 5^1\times {\mathrm{48918641}}^1$

素因数の和:48918658

約数の個数: 20

約数和(自身を含む): 35514934092

約数和(自身を除く): 15702884487

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48918641, 146755923, 244593205, 440267769, 733779615, 1320803307, 2201338845, 3962409921, 6604016535, 19812049605]

約数ペア:

[(1, 19812049605), (3, 6604016535), (5, 3962409921), (9, 2201338845), (15, 1320803307), (27, 733779615), (45, 440267769), (81, 244593205), (135, 146755923), (405, 48918641)]