19937574

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 46016880

約数和(自身を除く): 26079306

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 601, 873, 1202, 1746, 1803, 1843, 3606, 3686, 5409, 5529, 10818, 11058, 11419, 16587, 22838, 33174, 34257, 58297, 68514, 102771, 116594, 174891, 205542, 349782, 524673, 1049346, 1107643, 2215286, 3322929, 6645858, 9968787, 19937574]

約数ペア:

[(1, 19937574), (2, 9968787), (3, 6645858), (6, 3322929), (9, 2215286), (18, 1107643), (19, 1049346), (38, 524673), (57, 349782), (97, 205542), (114, 174891), (171, 116594), (194, 102771), (291, 68514), (342, 58297), (582, 34257), (601, 33174), (873, 22838), (1202, 16587), (1746, 11419), (1803, 11058), (1843, 10818), (3606, 5529), (3686, 5409)]