19334985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 12719415

約数列:

[1, 3, 5, 15, 41, 123, 149, 205, 211, 447, 615, 633, 745, 1055, 2235, 3165, 6109, 8651, 18327, 25953, 30545, 31439, 43255, 91635, 94317, 129765, 157195, 471585, 1288999, 3866997, 6444995, 19334985]

約数ペア:

[(1, 19334985), (3, 6444995), (5, 3866997), (15, 1288999), (41, 471585), (123, 157195), (149, 129765), (205, 94317), (211, 91635), (447, 43255), (615, 31439), (633, 30545), (745, 25953), (1055, 18327), (2235, 8651), (3165, 6109)]