19971276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128021}}^1$

素因数の和:128041

約数の個数: 24

約数和(自身を含む): 50184624

約数和(自身を除く): 30213348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128021, 256042, 384063, 512084, 768126, 1536252, 1664273, 3328546, 4992819, 6657092, 9985638, 19971276]

約数ペア:

[(1, 19971276), (2, 9985638), (3, 6657092), (4, 4992819), (6, 3328546), (12, 1664273), (13, 1536252), (26, 768126), (39, 512084), (52, 384063), (78, 256042), (156, 128021)]