19965060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110917}}^1$

素因数の和:110932

約数の個数: 36

約数和(自身を含む): 60561228

約数和(自身を除く): 40596168

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110917, 221834, 332751, 443668, 554585, 665502, 998253, 1109170, 1331004, 1663755, 1996506, 2218340, 3327510, 3993012, 4991265, 6655020, 9982530, 19965060]

約数ペア:

[(1, 19965060), (2, 9982530), (3, 6655020), (4, 4991265), (5, 3993012), (6, 3327510), (9, 2218340), (10, 1996506), (12, 1663755), (15, 1331004), (18, 1109170), (20, 998253), (30, 665502), (36, 554585), (45, 443668), (60, 332751), (90, 221834), (180, 110917)]