19542726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3607}}^1$

素因数の和:3665

約数の個数: 48

約数和(自身を含む): 49530624

約数和(自身を除く): 29987898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3607, 5418, 7214, 10821, 21642, 25249, 32463, 50498, 64926, 75747, 151494, 155101, 227241, 310202, 454482, 465303, 930606, 1085707, 1395909, 2171414, 2791818, 3257121, 6514242, 9771363, 19542726]

約数ペア:

[(1, 19542726), (2, 9771363), (3, 6514242), (6, 3257121), (7, 2791818), (9, 2171414), (14, 1395909), (18, 1085707), (21, 930606), (42, 465303), (43, 454482), (63, 310202), (86, 227241), (126, 155101), (129, 151494), (258, 75747), (301, 64926), (387, 50498), (602, 32463), (774, 25249), (903, 21642), (1806, 10821), (2709, 7214), (3607, 5418)]