18786670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 20021330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 769, 1538, 1745, 2443, 3490, 3845, 4886, 5383, 7690, 10766, 12215, 24430, 26915, 53830, 268381, 536762, 1341905, 1878667, 2683810, 3757334, 9393335, 18786670]

約数ペア:

[(1, 18786670), (2, 9393335), (5, 3757334), (7, 2683810), (10, 1878667), (14, 1341905), (35, 536762), (70, 268381), (349, 53830), (698, 26915), (769, 24430), (1538, 12215), (1745, 10766), (2443, 7690), (3490, 5383), (3845, 4886)]