19818486

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11881

約数の個数: 32

約数和(自身を含む): 45465600

約数和(自身を除く): 25647114

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 11839, 23678, 35517, 71034, 106551, 213102, 319653, 367009, 639306, 734018, 1101027, 2202054, 3303081, 6606162, 9909243, 19818486]

約数ペア:

[(1, 19818486), (2, 9909243), (3, 6606162), (6, 3303081), (9, 2202054), (18, 1101027), (27, 734018), (31, 639306), (54, 367009), (62, 319653), (93, 213102), (186, 106551), (279, 71034), (558, 35517), (837, 23678), (1674, 11839)]