18589324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 35693784

約数和(自身を除く): 17104460

約数列:

[1, 2, 4, 13, 26, 52, 107, 169, 214, 257, 338, 428, 514, 676, 1028, 1391, 2782, 3341, 5564, 6682, 13364, 18083, 27499, 36166, 43433, 54998, 72332, 86866, 109996, 173732, 357487, 714974, 1429948, 4647331, 9294662, 18589324]

約数ペア:

[(1, 18589324), (2, 9294662), (4, 4647331), (13, 1429948), (26, 714974), (52, 357487), (107, 173732), (169, 109996), (214, 86866), (257, 72332), (338, 54998), (428, 43433), (514, 36166), (676, 27499), (1028, 18083), (1391, 13364), (2782, 6682), (3341, 5564)]