18681700624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{11287}}^1$

素因数の和:11444

約数の個数: 80

約数和(自身を含む): 38699237376

約数和(自身を除く): 20017536752

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 71, 94, 124, 142, 188, 248, 284, 376, 496, 568, 752, 1136, 1457, 2201, 2914, 3337, 4402, 5828, 6674, 8804, 11287, 11656, 13348, 17608, 22574, 23312, 26696, 35216, 45148, 53392, 90296, 103447, 180592, 206894, 349897, 413788, 530489, 699794, 801377, 827576, 1060978, 1399588, 1602754, 1655152, 2121956, 2799176, 3205508, 4243912, 5598352, 6411016, 8487824, 12822032, 16445159, 24842687, 32890318, 37664719, 49685374, 65780636, 75329438, 99370748, 131561272, 150658876, 198741496, 263122544, 301317752, 397482992, 602635504, 1167606289, 2335212578, 4670425156, 9340850312, 18681700624]

約数ペア:

[(1, 18681700624), (2, 9340850312), (4, 4670425156), (8, 2335212578), (16, 1167606289), (31, 602635504), (47, 397482992), (62, 301317752), (71, 263122544), (94, 198741496), (124, 150658876), (142, 131561272), (188, 99370748), (248, 75329438), (284, 65780636), (376, 49685374), (496, 37664719), (568, 32890318), (752, 24842687), (1136, 16445159), (1457, 12822032), (2201, 8487824), (2914, 6411016), (3337, 5598352), (4402, 4243912), (5828, 3205508), (6674, 2799176), (8804, 2121956), (11287, 1655152), (11656, 1602754), (13348, 1399588), (17608, 1060978), (22574, 827576), (23312, 801377), (26696, 699794), (35216, 530489), (45148, 413788), (53392, 349897), (90296, 206894), (103447, 180592)]