18971004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{121609}}^1$

素因数の和:121629

約数の個数: 24

約数和(自身を含む): 47671120

約数和(自身を除く): 28700116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 121609, 243218, 364827, 486436, 729654, 1459308, 1580917, 3161834, 4742751, 6323668, 9485502, 18971004]

約数ペア:

[(1, 18971004), (2, 9485502), (3, 6323668), (4, 4742751), (6, 3161834), (12, 1580917), (13, 1459308), (26, 729654), (39, 486436), (52, 364827), (78, 243218), (156, 121609)]