18393720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{153281}}^1$

素因数の和:153295

約数の個数: 32

約数和(自身を含む): 55181520

約数和(自身を除く): 36787800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 153281, 306562, 459843, 613124, 766405, 919686, 1226248, 1532810, 1839372, 2299215, 3065620, 3678744, 4598430, 6131240, 9196860, 18393720]

約数ペア:

[(1, 18393720), (2, 9196860), (3, 6131240), (4, 4598430), (5, 3678744), (6, 3065620), (8, 2299215), (10, 1839372), (12, 1532810), (15, 1226248), (20, 919686), (24, 766405), (30, 613124), (40, 459843), (60, 306562), (120, 153281)]