19787196

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 54601344

約数和(自身を除く): 34814148

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 887, 1014, 1716, 1774, 1859, 2028, 2661, 3548, 3718, 5322, 5577, 7436, 9757, 10644, 11154, 11531, 19514, 22308, 23062, 29271, 34593, 39028, 46124, 58542, 69186, 117084, 126841, 138372, 149903, 253682, 299806, 380523, 449709, 507364, 599612, 761046, 899418, 1522092, 1648933, 1798836, 3297866, 4946799, 6595732, 9893598, 19787196]

約数ペア:

[(1, 19787196), (2, 9893598), (3, 6595732), (4, 4946799), (6, 3297866), (11, 1798836), (12, 1648933), (13, 1522092), (22, 899418), (26, 761046), (33, 599612), (39, 507364), (44, 449709), (52, 380523), (66, 299806), (78, 253682), (132, 149903), (143, 138372), (156, 126841), (169, 117084), (286, 69186), (338, 58542), (429, 46124), (507, 39028), (572, 34593), (676, 29271), (858, 23062), (887, 22308), (1014, 19514), (1716, 11531), (1774, 11154), (1859, 10644), (2028, 9757), (2661, 7436), (3548, 5577), (3718, 5322)]