18538074

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 36

約数和(自身を含む): 41195466

約数和(自身を除く): 22657392

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 557, 774, 1114, 1671, 1849, 3342, 3698, 5013, 5547, 10026, 11094, 16641, 23951, 33282, 47902, 71853, 143706, 215559, 431118, 1029893, 2059786, 3089679, 6179358, 9269037, 18538074]

約数ペア:

[(1, 18538074), (2, 9269037), (3, 6179358), (6, 3089679), (9, 2059786), (18, 1029893), (43, 431118), (86, 215559), (129, 143706), (258, 71853), (387, 47902), (557, 33282), (774, 23951), (1114, 16641), (1671, 11094), (1849, 10026), (3342, 5547), (3698, 5013)]