18672615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 35511840

約数和(自身を除く): 16839225

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 531, 541, 585, 767, 885, 1623, 2301, 2655, 2705, 3835, 4869, 6903, 7033, 8115, 11505, 21099, 24345, 31919, 34515, 35165, 63297, 95757, 105495, 159595, 287271, 316485, 414947, 478785, 1244841, 1436355, 2074735, 3734523, 6224205, 18672615]

約数ペア:

[(1, 18672615), (3, 6224205), (5, 3734523), (9, 2074735), (13, 1436355), (15, 1244841), (39, 478785), (45, 414947), (59, 316485), (65, 287271), (117, 159595), (177, 105495), (195, 95757), (295, 63297), (531, 35165), (541, 34515), (585, 31919), (767, 24345), (885, 21099), (1623, 11505), (2301, 8115), (2655, 7033), (2705, 6903), (3835, 4869)]