20181465610

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{2663}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 37701780480

約数和(自身を除く): 17520314870

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 181, 265, 362, 395, 530, 790, 905, 1810, 2663, 4187, 5326, 8374, 9593, 13315, 14299, 19186, 20935, 26630, 28598, 41870, 47965, 71495, 95930, 141139, 142990, 210377, 282278, 420754, 482003, 705695, 757847, 964006, 1051885, 1411390, 1515694, 2103770, 2410015, 3789235, 4820030, 7578470, 11149981, 22299962, 25546159, 38078237, 51092318, 55749905, 76156474, 111499810, 127730795, 190391185, 255461590, 380782370, 2018146561, 4036293122, 10090732805, 20181465610]

約数ペア:

[(1, 20181465610), (2, 10090732805), (5, 4036293122), (10, 2018146561), (53, 380782370), (79, 255461590), (106, 190391185), (158, 127730795), (181, 111499810), (265, 76156474), (362, 55749905), (395, 51092318), (530, 38078237), (790, 25546159), (905, 22299962), (1810, 11149981), (2663, 7578470), (4187, 4820030), (5326, 3789235), (8374, 2410015), (9593, 2103770), (13315, 1515694), (14299, 1411390), (19186, 1051885), (20935, 964006), (26630, 757847), (28598, 705695), (41870, 482003), (47965, 420754), (71495, 282278), (95930, 210377), (141139, 142990)]