19725060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{631}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 55423872

約数和(自身を除く): 35698812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 631, 1042, 1262, 1563, 1893, 2084, 2524, 2605, 3126, 3155, 3786, 5210, 6252, 6310, 7572, 7815, 9465, 10420, 12620, 15630, 18930, 31260, 37860, 328751, 657502, 986253, 1315004, 1643755, 1972506, 3287510, 3945012, 4931265, 6575020, 9862530, 19725060]

約数ペア:

[(1, 19725060), (2, 9862530), (3, 6575020), (4, 4931265), (5, 3945012), (6, 3287510), (10, 1972506), (12, 1643755), (15, 1315004), (20, 986253), (30, 657502), (60, 328751), (521, 37860), (631, 31260), (1042, 18930), (1262, 15630), (1563, 12620), (1893, 10420), (2084, 9465), (2524, 7815), (2605, 7572), (3126, 6310), (3155, 6252), (3786, 5210)]