18883740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{907}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 53085312

約数和(自身を除く): 34201572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 907, 1041, 1388, 1735, 1814, 2082, 2721, 3470, 3628, 4164, 4535, 5205, 5442, 6940, 9070, 10410, 10884, 13605, 18140, 20820, 27210, 54420, 314729, 629458, 944187, 1258916, 1573645, 1888374, 3147290, 3776748, 4720935, 6294580, 9441870, 18883740]

約数ペア:

[(1, 18883740), (2, 9441870), (3, 6294580), (4, 4720935), (5, 3776748), (6, 3147290), (10, 1888374), (12, 1573645), (15, 1258916), (20, 944187), (30, 629458), (60, 314729), (347, 54420), (694, 27210), (907, 20820), (1041, 18140), (1388, 13605), (1735, 10884), (1814, 10410), (2082, 9070), (2721, 6940), (3470, 5442), (3628, 5205), (4164, 4535)]