18381195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 19773045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 105, 135, 159, 189, 265, 315, 367, 371, 477, 795, 945, 1101, 1113, 1431, 1835, 1855, 2385, 2569, 3303, 3339, 5505, 5565, 7155, 7707, 9909, 10017, 12845, 16515, 16695, 19451, 23121, 38535, 49545, 50085, 58353, 69363, 97255, 115605, 136157, 175059, 291765, 346815, 408471, 525177, 680785, 875295, 1225413, 2042355, 2625885, 3676239, 6127065, 18381195]

約数ペア:

[(1, 18381195), (3, 6127065), (5, 3676239), (7, 2625885), (9, 2042355), (15, 1225413), (21, 875295), (27, 680785), (35, 525177), (45, 408471), (53, 346815), (63, 291765), (105, 175059), (135, 136157), (159, 115605), (189, 97255), (265, 69363), (315, 58353), (367, 50085), (371, 49545), (477, 38535), (795, 23121), (945, 19451), (1101, 16695), (1113, 16515), (1431, 12845), (1835, 10017), (1855, 9909), (2385, 7707), (2569, 7155), (3303, 5565), (3339, 5505)]