18091605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 33859584

約数和(自身を除く): 15767979

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4007, 4515, 12021, 20035, 28049, 60105, 84147, 140245, 172301, 420735, 516903, 861505, 1206107, 2584515, 3618321, 6030535, 18091605]

約数ペア:

[(1, 18091605), (3, 6030535), (5, 3618321), (7, 2584515), (15, 1206107), (21, 861505), (35, 516903), (43, 420735), (105, 172301), (129, 140245), (215, 84147), (301, 60105), (645, 28049), (903, 20035), (1505, 12021), (4007, 4515)]