18531238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 32285952

約数和(自身を除く): 13754714

約数列:

[1, 2, 11, 22, 23, 46, 53, 106, 253, 506, 583, 691, 1166, 1219, 1382, 2438, 7601, 13409, 15202, 15893, 26818, 31786, 36623, 73246, 174823, 349646, 402853, 805706, 842329, 1684658, 9265619, 18531238]

約数ペア:

[(1, 18531238), (2, 9265619), (11, 1684658), (22, 842329), (23, 805706), (46, 402853), (53, 349646), (106, 174823), (253, 73246), (506, 36623), (583, 31786), (691, 26818), (1166, 15893), (1219, 15202), (1382, 13409), (2438, 7601)]