17665908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 46238976

約数和(自身を除く): 28573068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 281, 338, 372, 403, 507, 562, 676, 806, 843, 1014, 1124, 1209, 1612, 1686, 2028, 2418, 3372, 3653, 4836, 5239, 7306, 8711, 10478, 10959, 14612, 15717, 17422, 20956, 21918, 26133, 31434, 34844, 43836, 47489, 52266, 62868, 94978, 104532, 113243, 142467, 189956, 226486, 284934, 339729, 452972, 569868, 679458, 1358916, 1472159, 2944318, 4416477, 5888636, 8832954, 17665908]

約数ペア:

[(1, 17665908), (2, 8832954), (3, 5888636), (4, 4416477), (6, 2944318), (12, 1472159), (13, 1358916), (26, 679458), (31, 569868), (39, 452972), (52, 339729), (62, 284934), (78, 226486), (93, 189956), (124, 142467), (156, 113243), (169, 104532), (186, 94978), (281, 62868), (338, 52266), (372, 47489), (403, 43836), (507, 34844), (562, 31434), (676, 26133), (806, 21918), (843, 20956), (1014, 17422), (1124, 15717), (1209, 14612), (1612, 10959), (1686, 10478), (2028, 8711), (2418, 7306), (3372, 5239), (3653, 4836)]