18421338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 41056416

約数和(自身を除く): 22635078

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 169, 222, 338, 481, 491, 507, 962, 982, 1014, 1443, 1473, 2886, 2946, 6253, 6383, 12506, 12766, 18167, 18759, 19149, 36334, 37518, 38298, 54501, 82979, 109002, 165958, 236171, 248937, 472342, 497874, 708513, 1417026, 3070223, 6140446, 9210669, 18421338]

約数ペア:

[(1, 18421338), (2, 9210669), (3, 6140446), (6, 3070223), (13, 1417026), (26, 708513), (37, 497874), (39, 472342), (74, 248937), (78, 236171), (111, 165958), (169, 109002), (222, 82979), (338, 54501), (481, 38298), (491, 37518), (507, 36334), (962, 19149), (982, 18759), (1014, 18167), (1443, 12766), (1473, 12506), (2886, 6383), (2946, 6253)]