18768725484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{408691}}^1$

素因数の和:408830

約数の個数: 48

約数和(自身を含む): 45315768960

約数和(自身を除く): 26547043476

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 516, 534, 1068, 3827, 7654, 11481, 15308, 22962, 45924, 408691, 817382, 1226073, 1634764, 2452146, 4904292, 17573713, 35147426, 36373499, 52721139, 70294852, 72746998, 105442278, 109120497, 145493996, 210884556, 218240994, 436481988, 1564060457, 3128120914, 4692181371, 6256241828, 9384362742, 18768725484]

約数ペア:

[(1, 18768725484), (2, 9384362742), (3, 6256241828), (4, 4692181371), (6, 3128120914), (12, 1564060457), (43, 436481988), (86, 218240994), (89, 210884556), (129, 145493996), (172, 109120497), (178, 105442278), (258, 72746998), (267, 70294852), (356, 52721139), (516, 36373499), (534, 35147426), (1068, 17573713), (3827, 4904292), (7654, 2452146), (11481, 1634764), (15308, 1226073), (22962, 817382), (45924, 408691)]