19809648

素因数分解:

$2^4\times 3^2\times {\mathrm{137567}}^1$

素因数の和:137581

約数の個数: 30

約数和(自身を含む): 55439904

約数和(自身を除く): 35630256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137567, 275134, 412701, 550268, 825402, 1100536, 1238103, 1650804, 2201072, 2476206, 3301608, 4952412, 6603216, 9904824, 19809648]

約数ペア:

[(1, 19809648), (2, 9904824), (3, 6603216), (4, 4952412), (6, 3301608), (8, 2476206), (9, 2201072), (12, 1650804), (16, 1238103), (18, 1100536), (24, 825402), (36, 550268), (48, 412701), (72, 275134), (144, 137567)]