1971918

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4809840

約数和(自身を除く): 2837922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 689, 702, 954, 1378, 1431, 2067, 2809, 2862, 4134, 5618, 6201, 8427, 12402, 16854, 18603, 25281, 36517, 37206, 50562, 73034, 75843, 109551, 151686, 219102, 328653, 657306, 985959, 1971918]

約数ペア:

[(1, 1971918), (2, 985959), (3, 657306), (6, 328653), (9, 219102), (13, 151686), (18, 109551), (26, 75843), (27, 73034), (39, 50562), (53, 37206), (54, 36517), (78, 25281), (106, 18603), (117, 16854), (159, 12402), (234, 8427), (318, 6201), (351, 5618), (477, 4134), (689, 2862), (702, 2809), (954, 2067), (1378, 1431)]