189901910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{1823}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 373496832

約数和(自身を除く): 183594922

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 947, 1823, 1894, 3646, 4735, 9115, 9470, 10417, 18230, 20053, 20834, 40106, 52085, 100265, 104170, 200530, 1726381, 3452762, 8631905, 17263810, 18990191, 37980382, 94950955, 189901910]

約数ペア:

[(1, 189901910), (2, 94950955), (5, 37980382), (10, 18990191), (11, 17263810), (22, 8631905), (55, 3452762), (110, 1726381), (947, 200530), (1823, 104170), (1894, 100265), (3646, 52085), (4735, 40106), (9115, 20834), (9470, 20053), (10417, 18230)]