18791994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2707}}^1$

素因数の和:2814

約数の個数: 32

約数和(自身を含む): 40944960

約数和(自身を除く): 22152966

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 2707, 3471, 5414, 6942, 8121, 16242, 35191, 70382, 105573, 211146, 240923, 481846, 722769, 1445538, 3131999, 6263998, 9395997, 18791994]

約数ペア:

[(1, 18791994), (2, 9395997), (3, 6263998), (6, 3131999), (13, 1445538), (26, 722769), (39, 481846), (78, 240923), (89, 211146), (178, 105573), (267, 70382), (534, 35191), (1157, 16242), (2314, 8121), (2707, 6942), (3471, 5414)]