19372220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138373}}^1$

素因数の和:138389

約数の個数: 24

約数和(自身を含む): 46493664

約数和(自身を除く): 27121444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138373, 276746, 553492, 691865, 968611, 1383730, 1937222, 2767460, 3874444, 4843055, 9686110, 19372220]

約数ペア:

[(1, 19372220), (2, 9686110), (4, 4843055), (5, 3874444), (7, 2767460), (10, 1937222), (14, 1383730), (20, 968611), (28, 691865), (35, 553492), (70, 276746), (140, 138373)]