19253668

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4312

約数の個数: 36

約数和(自身を含む): 40908672

約数和(自身を除く): 21655004

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4271, 4508, 8542, 17084, 29897, 59794, 98233, 119588, 196466, 209279, 392932, 418558, 687631, 837116, 1375262, 2750524, 4813417, 9626834, 19253668]

約数ペア:

[(1, 19253668), (2, 9626834), (4, 4813417), (7, 2750524), (14, 1375262), (23, 837116), (28, 687631), (46, 418558), (49, 392932), (92, 209279), (98, 196466), (161, 119588), (196, 98233), (322, 59794), (644, 29897), (1127, 17084), (2254, 8542), (4271, 4508)]