18705195

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1091}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 14841045

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1091, 1143, 1905, 3273, 3429, 5455, 5715, 9819, 16365, 17145, 29457, 49095, 138557, 147285, 415671, 692785, 1247013, 2078355, 3741039, 6235065, 18705195]

約数ペア:

[(1, 18705195), (3, 6235065), (5, 3741039), (9, 2078355), (15, 1247013), (27, 692785), (45, 415671), (127, 147285), (135, 138557), (381, 49095), (635, 29457), (1091, 17145), (1143, 16365), (1905, 9819), (3273, 5715), (3429, 5455)]