19171476

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^2\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 54

約数和(自身を含む): 49934430

約数和(自身を除く): 30762954

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 389, 444, 666, 778, 1167, 1332, 1369, 1556, 2334, 2738, 3501, 4107, 4668, 5476, 7002, 8214, 12321, 14004, 14393, 16428, 24642, 28786, 43179, 49284, 57572, 86358, 129537, 172716, 259074, 518148, 532541, 1065082, 1597623, 2130164, 3195246, 4792869, 6390492, 9585738, 19171476]

約数ペア:

[(1, 19171476), (2, 9585738), (3, 6390492), (4, 4792869), (6, 3195246), (9, 2130164), (12, 1597623), (18, 1065082), (36, 532541), (37, 518148), (74, 259074), (111, 172716), (148, 129537), (222, 86358), (333, 57572), (389, 49284), (444, 43179), (666, 28786), (778, 24642), (1167, 16428), (1332, 14393), (1369, 14004), (1556, 12321), (2334, 8214), (2738, 7002), (3501, 5476), (4107, 4668)]