19811718

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 46079280

約数和(自身を除く): 26267562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 954, 1007, 1093, 2014, 2186, 3021, 3279, 6042, 6558, 9063, 9837, 18126, 19674, 20767, 41534, 57929, 62301, 115858, 124602, 173787, 186903, 347574, 373806, 521361, 1042722, 1100651, 2201302, 3301953, 6603906, 9905859, 19811718]

約数ペア:

[(1, 19811718), (2, 9905859), (3, 6603906), (6, 3301953), (9, 2201302), (18, 1100651), (19, 1042722), (38, 521361), (53, 373806), (57, 347574), (106, 186903), (114, 173787), (159, 124602), (171, 115858), (318, 62301), (342, 57929), (477, 41534), (954, 20767), (1007, 19674), (1093, 18126), (2014, 9837), (2186, 9063), (3021, 6558), (3279, 6042)]