19885528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 20454632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 367, 521, 734, 1042, 1468, 2084, 2936, 4168, 4771, 6773, 9542, 13546, 19084, 27092, 38168, 54184, 191207, 382414, 764828, 1529656, 2485691, 4971382, 9942764, 19885528]

約数ペア:

[(1, 19885528), (2, 9942764), (4, 4971382), (8, 2485691), (13, 1529656), (26, 764828), (52, 382414), (104, 191207), (367, 54184), (521, 38168), (734, 27092), (1042, 19084), (1468, 13546), (2084, 9542), (2936, 6773), (4168, 4771)]