18592983

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 29167776

約数和(自身を除く): 10574793

約数列:

[1, 3, 9, 27, 53, 61, 71, 81, 159, 183, 213, 477, 549, 639, 1431, 1647, 1917, 3233, 3763, 4293, 4331, 4941, 5751, 9699, 11289, 12993, 29097, 33867, 38979, 87291, 101601, 116937, 229543, 261873, 304803, 350811, 688629, 2065887, 6197661, 18592983]

約数ペア:

[(1, 18592983), (3, 6197661), (9, 2065887), (27, 688629), (53, 350811), (61, 304803), (71, 261873), (81, 229543), (159, 116937), (183, 101601), (213, 87291), (477, 38979), (549, 33867), (639, 29097), (1431, 12993), (1647, 11289), (1917, 9699), (3233, 5751), (3763, 4941), (4293, 4331)]