18986781658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{1097}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 32459761152

約数和(自身を除く): 13472979494

約数列:

[1, 2, 13, 23, 26, 46, 103, 206, 281, 299, 562, 598, 1097, 1339, 2194, 2369, 2678, 3653, 4738, 6463, 7306, 12926, 14261, 25231, 28522, 28943, 30797, 50462, 57886, 61594, 84019, 112991, 168038, 225982, 308257, 328003, 376259, 616514, 656006, 665689, 752518, 1331378, 1468883, 2598793, 2937766, 4007341, 5197586, 7089911, 8014682, 8653957, 14179822, 17307914, 31750471, 33784309, 63500942, 67568618, 92168843, 184337686, 412756123, 730260833, 825512246, 1460521666, 9493390829, 18986781658]

約数ペア:

[(1, 18986781658), (2, 9493390829), (13, 1460521666), (23, 825512246), (26, 730260833), (46, 412756123), (103, 184337686), (206, 92168843), (281, 67568618), (299, 63500942), (562, 33784309), (598, 31750471), (1097, 17307914), (1339, 14179822), (2194, 8653957), (2369, 8014682), (2678, 7089911), (3653, 5197586), (4738, 4007341), (6463, 2937766), (7306, 2598793), (12926, 1468883), (14261, 1331378), (25231, 752518), (28522, 665689), (28943, 656006), (30797, 616514), (50462, 376259), (57886, 328003), (61594, 308257), (84019, 225982), (112991, 168038)]