18149019

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 10591077

約数列:

[1, 3, 7, 21, 41, 107, 123, 197, 287, 321, 591, 749, 861, 1379, 2247, 4137, 4387, 8077, 13161, 21079, 24231, 30709, 56539, 63237, 92127, 147553, 169617, 442659, 864239, 2592717, 6049673, 18149019]

約数ペア:

[(1, 18149019), (3, 6049673), (7, 2592717), (21, 864239), (41, 442659), (107, 169617), (123, 147553), (197, 92127), (287, 63237), (321, 56539), (591, 30709), (749, 24231), (861, 21079), (1379, 13161), (2247, 8077), (4137, 4387)]