19802718

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9403}}^1$

素因数の和:9430

約数の個数: 40

約数和(自身を含む): 47791128

約数和(自身を除く): 27988410

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9403, 18806, 28209, 56418, 84627, 122239, 169254, 244478, 253881, 366717, 507762, 733434, 761643, 1100151, 1523286, 2200302, 3300453, 6600906, 9901359, 19802718]

約数ペア:

[(1, 19802718), (2, 9901359), (3, 6600906), (6, 3300453), (9, 2200302), (13, 1523286), (18, 1100151), (26, 761643), (27, 733434), (39, 507762), (54, 366717), (78, 253881), (81, 244478), (117, 169254), (162, 122239), (234, 84627), (351, 56418), (702, 28209), (1053, 18806), (2106, 9403)]