19530555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 15402693

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2887, 6765, 8661, 14435, 31757, 43305, 95271, 118367, 158785, 355101, 476355, 591835, 1302037, 1775505, 3906111, 6510185, 19530555]

約数ペア:

[(1, 19530555), (3, 6510185), (5, 3906111), (11, 1775505), (15, 1302037), (33, 591835), (41, 476355), (55, 355101), (123, 158785), (165, 118367), (205, 95271), (451, 43305), (615, 31757), (1353, 14435), (2255, 8661), (2887, 6765)]