19933846989

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1097}}^1\times {\mathrm{1877}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 30485258496

約数和(自身を除く): 10551411507

約数列:

[1, 3, 7, 21, 461, 1097, 1383, 1877, 3227, 3291, 5631, 7679, 9681, 13139, 23037, 39417, 505717, 865297, 1517151, 2059069, 2595891, 3540019, 6057079, 6177207, 10620057, 14413483, 18171237, 43240449, 949230809, 2847692427, 6644615663, 19933846989]

約数ペア:

[(1, 19933846989), (3, 6644615663), (7, 2847692427), (21, 949230809), (461, 43240449), (1097, 18171237), (1383, 14413483), (1877, 10620057), (3227, 6177207), (3291, 6057079), (5631, 3540019), (7679, 2595891), (9681, 2059069), (13139, 1517151), (23037, 865297), (39417, 505717)]