18621540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14779}}^1$

素因数の和:14801

約数の個数: 72

約数和(自身を含む): 64559040

約数和(自身を除く): 45937500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14779, 29558, 44337, 59116, 73895, 88674, 103453, 133011, 147790, 177348, 206906, 221685, 266022, 295580, 310359, 413812, 443370, 517265, 532044, 620718, 665055, 886740, 931077, 1034530, 1241436, 1330110, 1551795, 1862154, 2069060, 2660220, 3103590, 3724308, 4655385, 6207180, 9310770, 18621540]

約数ペア:

[(1, 18621540), (2, 9310770), (3, 6207180), (4, 4655385), (5, 3724308), (6, 3103590), (7, 2660220), (9, 2069060), (10, 1862154), (12, 1551795), (14, 1330110), (15, 1241436), (18, 1034530), (20, 931077), (21, 886740), (28, 665055), (30, 620718), (35, 532044), (36, 517265), (42, 443370), (45, 413812), (60, 310359), (63, 295580), (70, 266022), (84, 221685), (90, 206906), (105, 177348), (126, 147790), (140, 133011), (180, 103453), (210, 88674), (252, 73895), (315, 59116), (420, 44337), (630, 29558), (1260, 14779)]