18762318

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 42153696

約数和(自身を除く): 23391378

約数列:

[1, 2, 3, 6, 9, 18, 53, 71, 106, 142, 159, 213, 277, 318, 426, 477, 554, 639, 831, 954, 1278, 1662, 2493, 3763, 4986, 7526, 11289, 14681, 19667, 22578, 29362, 33867, 39334, 44043, 59001, 67734, 88086, 118002, 132129, 177003, 264258, 354006, 1042351, 2084702, 3127053, 6254106, 9381159, 18762318]

約数ペア:

[(1, 18762318), (2, 9381159), (3, 6254106), (6, 3127053), (9, 2084702), (18, 1042351), (53, 354006), (71, 264258), (106, 177003), (142, 132129), (159, 118002), (213, 88086), (277, 67734), (318, 59001), (426, 44043), (477, 39334), (554, 33867), (639, 29362), (831, 22578), (954, 19667), (1278, 14681), (1662, 11289), (2493, 7526), (3763, 4986)]