18795528

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{929}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 51140700

約数和(自身を除く): 32345172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 929, 1124, 1686, 1858, 2248, 2529, 2787, 3372, 3716, 5058, 5574, 6744, 7432, 8361, 10116, 11148, 16722, 20232, 22296, 33444, 66888, 261049, 522098, 783147, 1044196, 1566294, 2088392, 2349441, 3132588, 4698882, 6265176, 9397764, 18795528]

約数ペア:

[(1, 18795528), (2, 9397764), (3, 6265176), (4, 4698882), (6, 3132588), (8, 2349441), (9, 2088392), (12, 1566294), (18, 1044196), (24, 783147), (36, 522098), (72, 261049), (281, 66888), (562, 33444), (843, 22296), (929, 20232), (1124, 16722), (1686, 11148), (1858, 10116), (2248, 8361), (2529, 7432), (2787, 6744), (3372, 5574), (3716, 5058)]