19205820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{106699}}^1$

素因数の和:106714

約数の個数: 36

約数和(自身を含む): 58258200

約数和(自身を除く): 39052380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 106699, 213398, 320097, 426796, 533495, 640194, 960291, 1066990, 1280388, 1600485, 1920582, 2133980, 3200970, 3841164, 4801455, 6401940, 9602910, 19205820]

約数ペア:

[(1, 19205820), (2, 9602910), (3, 6401940), (4, 4801455), (5, 3841164), (6, 3200970), (9, 2133980), (10, 1920582), (12, 1600485), (15, 1280388), (18, 1066990), (20, 960291), (30, 640194), (36, 533495), (45, 426796), (60, 320097), (90, 213398), (180, 106699)]