19759428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42221}}^1$

素因数の和:42244

約数の個数: 36

約数和(自身を含む): 53790828

約数和(自身を除く): 34031400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42221, 84442, 126663, 168884, 253326, 379989, 506652, 548873, 759978, 1097746, 1519956, 1646619, 2195492, 3293238, 4939857, 6586476, 9879714, 19759428]

約数ペア:

[(1, 19759428), (2, 9879714), (3, 6586476), (4, 4939857), (6, 3293238), (9, 2195492), (12, 1646619), (13, 1519956), (18, 1097746), (26, 759978), (36, 548873), (39, 506652), (52, 379989), (78, 253326), (117, 168884), (156, 126663), (234, 84442), (468, 42221)]