19053225

素因数分解:

$3^4\times 5^2\times {\mathrm{97}}^2$

素因数の和:216

約数の個数: 45

約数和(自身を含む): 35660757

約数和(自身を除く): 16607532

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 97, 135, 225, 291, 405, 485, 675, 873, 1455, 2025, 2425, 2619, 4365, 7275, 7857, 9409, 13095, 21825, 28227, 39285, 47045, 65475, 84681, 141135, 196425, 235225, 254043, 423405, 705675, 762129, 1270215, 2117025, 3810645, 6351075, 19053225]

約数ペア:

[(1, 19053225), (3, 6351075), (5, 3810645), (9, 2117025), (15, 1270215), (25, 762129), (27, 705675), (45, 423405), (75, 254043), (81, 235225), (97, 196425), (135, 141135), (225, 84681), (291, 65475), (405, 47045), (485, 39285), (675, 28227), (873, 21825), (1455, 13095), (2025, 9409), (2425, 7857), (2619, 7275)]