18516108828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1861}}^1\times {\mathrm{16921}}^1$

素因数の和:18803

約数の個数: 72

約数和(自身を含む): 50287987344

約数和(自身を除く): 31771878516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1861, 3722, 5583, 7444, 11166, 13027, 16921, 22332, 26054, 33842, 39081, 50763, 52108, 67684, 78162, 91189, 101526, 118447, 156324, 182378, 203052, 236894, 273567, 355341, 364756, 473788, 547134, 710682, 829129, 1094268, 1421364, 1658258, 2487387, 3316516, 4974774, 9949548, 31489981, 62979962, 94469943, 125959924, 188939886, 220429867, 377879772, 440859734, 661289601, 881719468, 1322579202, 1543009069, 2645158404, 3086018138, 4629027207, 6172036276, 9258054414, 18516108828]

約数ペア:

[(1, 18516108828), (2, 9258054414), (3, 6172036276), (4, 4629027207), (6, 3086018138), (7, 2645158404), (12, 1543009069), (14, 1322579202), (21, 881719468), (28, 661289601), (42, 440859734), (49, 377879772), (84, 220429867), (98, 188939886), (147, 125959924), (196, 94469943), (294, 62979962), (588, 31489981), (1861, 9949548), (3722, 4974774), (5583, 3316516), (7444, 2487387), (11166, 1658258), (13027, 1421364), (16921, 1094268), (22332, 829129), (26054, 710682), (33842, 547134), (39081, 473788), (50763, 364756), (52108, 355341), (67684, 273567), (78162, 236894), (91189, 203052), (101526, 182378), (118447, 156324)]