19252821

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11390379

約数列:

[1, 3, 7, 21, 41, 59, 123, 177, 287, 379, 413, 861, 1137, 1239, 2419, 2653, 7257, 7959, 15539, 16933, 22361, 46617, 50799, 67083, 108773, 156527, 326319, 469581, 916801, 2750403, 6417607, 19252821]

約数ペア:

[(1, 19252821), (3, 6417607), (7, 2750403), (21, 916801), (41, 469581), (59, 326319), (123, 156527), (177, 108773), (287, 67083), (379, 50799), (413, 46617), (861, 22361), (1137, 16933), (1239, 15539), (2419, 7959), (2653, 7257)]