18778880752

素因数分解:

$2^4\times {\mathrm{859}}^1\times {\mathrm{1366333}}^1$

素因数の和:1367200

約数の個数: 20

約数和(自身を含む): 36426464440

約数和(自身を除く): 17647583688

約数列:

[1, 2, 4, 8, 16, 859, 1718, 3436, 6872, 13744, 1366333, 2732666, 5465332, 10930664, 21861328, 1173680047, 2347360094, 4694720188, 9389440376, 18778880752]

約数ペア:

[(1, 18778880752), (2, 9389440376), (4, 4694720188), (8, 2347360094), (16, 1173680047), (859, 21861328), (1718, 10930664), (3436, 5465332), (6872, 2732666), (13744, 1366333)]