19725165

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1931}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 34358688

約数和(自身を除く): 14633523

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 1931, 2043, 3405, 5793, 9655, 10215, 17379, 28965, 86895, 438337, 1315011, 2191685, 3945033, 6575055, 19725165]

約数ペア:

[(1, 19725165), (3, 6575055), (5, 3945033), (9, 2191685), (15, 1315011), (45, 438337), (227, 86895), (681, 28965), (1135, 17379), (1931, 10215), (2043, 9655), (3405, 5793)]