19973338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5682

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 19010342

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5639, 11278, 39473, 62029, 78946, 124058, 129697, 259394, 434203, 868406, 907879, 1426667, 1815758, 2853334, 9986669, 19973338]

約数ペア:

[(1, 19973338), (2, 9986669), (7, 2853334), (11, 1815758), (14, 1426667), (22, 907879), (23, 868406), (46, 434203), (77, 259394), (154, 129697), (161, 124058), (253, 78946), (322, 62029), (506, 39473), (1771, 11278), (3542, 5639)]