19955772

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10459}}^1$

素因数の和:10522

約数の個数: 36

約数和(自身を含む): 51400440

約数和(自身を除く): 31444668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10459, 20918, 31377, 41836, 62754, 94131, 125508, 188262, 376524, 554327, 1108654, 1662981, 2217308, 3325962, 4988943, 6651924, 9977886, 19955772]

約数ペア:

[(1, 19955772), (2, 9977886), (3, 6651924), (4, 4988943), (6, 3325962), (9, 2217308), (12, 1662981), (18, 1108654), (36, 554327), (53, 376524), (106, 188262), (159, 125508), (212, 94131), (318, 62754), (477, 41836), (636, 31377), (954, 20918), (1908, 10459)]