18517964

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 35020104

約数和(自身を除く): 16502140

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 193, 289, 332, 386, 578, 772, 1156, 1411, 2822, 3281, 5644, 6562, 13124, 16019, 23987, 32038, 47974, 55777, 64076, 95948, 111554, 223108, 272323, 544646, 1089292, 4629491, 9258982, 18517964]

約数ペア:

[(1, 18517964), (2, 9258982), (4, 4629491), (17, 1089292), (34, 544646), (68, 272323), (83, 223108), (166, 111554), (193, 95948), (289, 64076), (332, 55777), (386, 47974), (578, 32038), (772, 23987), (1156, 16019), (1411, 13124), (2822, 6562), (3281, 5644)]