19495300840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6169399}}^1$

素因数の和:6169489

約数の個数: 32

約数和(自身を含む): 44419680000

約数和(自身を除く): 24924379160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6169399, 12338798, 24677596, 30846995, 49355192, 61693990, 123387980, 246775960, 487382521, 974765042, 1949530084, 2436912605, 3899060168, 4873825210, 9747650420, 19495300840]

約数ペア:

[(1, 19495300840), (2, 9747650420), (4, 4873825210), (5, 3899060168), (8, 2436912605), (10, 1949530084), (20, 974765042), (40, 487382521), (79, 246775960), (158, 123387980), (316, 61693990), (395, 49355192), (632, 30846995), (790, 24677596), (1580, 12338798), (3160, 6169399)]