19427733

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 31088772

約数和(自身を除く): 11661039

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 169, 241, 477, 507, 689, 723, 1521, 2067, 2169, 3133, 6201, 8957, 9399, 12773, 26871, 28197, 38319, 40729, 80613, 114957, 122187, 166049, 366561, 498147, 1494441, 2158637, 6475911, 19427733]

約数ペア:

[(1, 19427733), (3, 6475911), (9, 2158637), (13, 1494441), (39, 498147), (53, 366561), (117, 166049), (159, 122187), (169, 114957), (241, 80613), (477, 40729), (507, 38319), (689, 28197), (723, 26871), (1521, 12773), (2067, 9399), (2169, 8957), (3133, 6201)]