18857384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25903}}^1$

素因数の和:25929

約数の個数: 32

約数和(自身を含む): 43518720

約数和(自身を除く): 24661336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 25903, 51806, 103612, 181321, 207224, 336739, 362642, 673478, 725284, 1346956, 1450568, 2357173, 2693912, 4714346, 9428692, 18857384]

約数ペア:

[(1, 18857384), (2, 9428692), (4, 4714346), (7, 2693912), (8, 2357173), (13, 1450568), (14, 1346956), (26, 725284), (28, 673478), (52, 362642), (56, 336739), (91, 207224), (104, 181321), (182, 103612), (364, 51806), (728, 25903)]