19407258

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 45621576

約数和(自身を除く): 26214318

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 421, 591, 842, 1182, 1263, 1773, 2526, 2561, 3546, 3789, 5122, 5473, 7578, 7683, 10946, 15366, 16419, 23049, 32838, 46098, 49257, 82937, 98514, 165874, 248811, 497622, 746433, 1078181, 1492866, 2156362, 3234543, 6469086, 9703629, 19407258]

約数ペア:

[(1, 19407258), (2, 9703629), (3, 6469086), (6, 3234543), (9, 2156362), (13, 1492866), (18, 1078181), (26, 746433), (39, 497622), (78, 248811), (117, 165874), (197, 98514), (234, 82937), (394, 49257), (421, 46098), (591, 32838), (842, 23049), (1182, 16419), (1263, 15366), (1773, 10946), (2526, 7683), (2561, 7578), (3546, 5473), (3789, 5122)]