19229920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3877}}^1$

素因数の和:3923

約数の個数: 48

約数和(自身を含む): 46908288

約数和(自身を除く): 27678368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 3877, 4960, 7754, 15508, 19385, 31016, 38770, 62032, 77540, 120187, 124064, 155080, 240374, 310160, 480748, 600935, 620320, 961496, 1201870, 1922992, 2403740, 3845984, 4807480, 9614960, 19229920]

約数ペア:

[(1, 19229920), (2, 9614960), (4, 4807480), (5, 3845984), (8, 2403740), (10, 1922992), (16, 1201870), (20, 961496), (31, 620320), (32, 600935), (40, 480748), (62, 310160), (80, 240374), (124, 155080), (155, 124064), (160, 120187), (248, 77540), (310, 62032), (496, 38770), (620, 31016), (992, 19385), (1240, 15508), (2480, 7754), (3877, 4960)]