18523980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102911}}^1$

素因数の和:102926

約数の個数: 36

約数和(自身を含む): 56189952

約数和(自身を除く): 37665972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102911, 205822, 308733, 411644, 514555, 617466, 926199, 1029110, 1234932, 1543665, 1852398, 2058220, 3087330, 3704796, 4630995, 6174660, 9261990, 18523980]

約数ペア:

[(1, 18523980), (2, 9261990), (3, 6174660), (4, 4630995), (5, 3704796), (6, 3087330), (9, 2058220), (10, 1852398), (12, 1543665), (15, 1234932), (18, 1029110), (20, 926199), (30, 617466), (36, 514555), (45, 411644), (60, 308733), (90, 205822), (180, 102911)]