19912304811

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23126951}}^1$

素因数の和:23127002

約数の個数: 16

約数和(自身を含む): 31082623488

約数和(自身を除く): 11170318677

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23126951, 69380853, 161888657, 485665971, 948204991, 2844614973, 6637434937, 19912304811]

約数ペア:

[(1, 19912304811), (3, 6637434937), (7, 2844614973), (21, 948204991), (41, 485665971), (123, 161888657), (287, 69380853), (861, 23126951)]