19389732

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 47234880

約数和(自身を除く): 27845148

約数列:

[1, 2, 3, 4, 6, 12, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 516, 636, 709, 1418, 2127, 2279, 2836, 4254, 4558, 6837, 8508, 9116, 13674, 27348, 30487, 37577, 60974, 75154, 91461, 112731, 121948, 150308, 182922, 225462, 365844, 450924, 1615811, 3231622, 4847433, 6463244, 9694866, 19389732]

約数ペア:

[(1, 19389732), (2, 9694866), (3, 6463244), (4, 4847433), (6, 3231622), (12, 1615811), (43, 450924), (53, 365844), (86, 225462), (106, 182922), (129, 150308), (159, 121948), (172, 112731), (212, 91461), (258, 75154), (318, 60974), (516, 37577), (636, 30487), (709, 27348), (1418, 13674), (2127, 9116), (2279, 8508), (2836, 6837), (4254, 4558)]