18090870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 49959936

約数和(自身を除く): 31869066

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 277, 311, 554, 622, 831, 933, 1385, 1555, 1662, 1866, 1939, 2177, 2770, 3110, 3878, 4155, 4354, 4665, 5817, 6531, 8310, 9330, 9695, 10885, 11634, 13062, 19390, 21770, 29085, 32655, 58170, 65310, 86147, 172294, 258441, 430735, 516882, 603029, 861470, 1206058, 1292205, 1809087, 2584410, 3015145, 3618174, 6030290, 9045435, 18090870]

約数ペア:

[(1, 18090870), (2, 9045435), (3, 6030290), (5, 3618174), (6, 3015145), (7, 2584410), (10, 1809087), (14, 1292205), (15, 1206058), (21, 861470), (30, 603029), (35, 516882), (42, 430735), (70, 258441), (105, 172294), (210, 86147), (277, 65310), (311, 58170), (554, 32655), (622, 29085), (831, 21770), (933, 19390), (1385, 13062), (1555, 11634), (1662, 10885), (1866, 9695), (1939, 9330), (2177, 8310), (2770, 6531), (3110, 5817), (3878, 4665), (4155, 4354)]