18572320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8929}}^1$

素因数の和:8957

約数の個数: 48

約数和(自身を含む): 47257560

約数和(自身を除く): 28685240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8929, 17858, 35716, 44645, 71432, 89290, 116077, 142864, 178580, 232154, 285728, 357160, 464308, 580385, 714320, 928616, 1160770, 1428640, 1857232, 2321540, 3714464, 4643080, 9286160, 18572320]

約数ペア:

[(1, 18572320), (2, 9286160), (4, 4643080), (5, 3714464), (8, 2321540), (10, 1857232), (13, 1428640), (16, 1160770), (20, 928616), (26, 714320), (32, 580385), (40, 464308), (52, 357160), (65, 285728), (80, 232154), (104, 178580), (130, 142864), (160, 116077), (208, 89290), (260, 71432), (416, 44645), (520, 35716), (1040, 17858), (2080, 8929)]