19668051

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 31383768

約数和(自身を除く): 11715717

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 193, 201, 507, 579, 603, 871, 1521, 1737, 2509, 2613, 7527, 7839, 11323, 12931, 22581, 32617, 33969, 38793, 97851, 101907, 116379, 168103, 293553, 504309, 1512927, 2185339, 6556017, 19668051]

約数ペア:

[(1, 19668051), (3, 6556017), (9, 2185339), (13, 1512927), (39, 504309), (67, 293553), (117, 168103), (169, 116379), (193, 101907), (201, 97851), (507, 38793), (579, 33969), (603, 32617), (871, 22581), (1521, 12931), (1737, 11323), (2509, 7839), (2613, 7527)]