18933780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1123}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 53250624

約数和(自身を除く): 34316844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1123, 1124, 1405, 1686, 2246, 2810, 3369, 3372, 4215, 4492, 5615, 5620, 6738, 8430, 11230, 13476, 16845, 16860, 22460, 33690, 67380, 315563, 631126, 946689, 1262252, 1577815, 1893378, 3155630, 3786756, 4733445, 6311260, 9466890, 18933780]

約数ペア:

[(1, 18933780), (2, 9466890), (3, 6311260), (4, 4733445), (5, 3786756), (6, 3155630), (10, 1893378), (12, 1577815), (15, 1262252), (20, 946689), (30, 631126), (60, 315563), (281, 67380), (562, 33690), (843, 22460), (1123, 16860), (1124, 16845), (1405, 13476), (1686, 11230), (2246, 8430), (2810, 6738), (3369, 5620), (3372, 5615), (4215, 4492)]