17818360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9091}}^1$

素因数の和:9116

約数の個数: 48

約数和(自身を含む): 46641960

約数和(自身を除く): 28823600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9091, 18182, 36364, 45455, 63637, 72728, 90910, 127274, 181820, 254548, 318185, 363640, 445459, 509096, 636370, 890918, 1272740, 1781836, 2227295, 2545480, 3563672, 4454590, 8909180, 17818360]

約数ペア:

[(1, 17818360), (2, 8909180), (4, 4454590), (5, 3563672), (7, 2545480), (8, 2227295), (10, 1781836), (14, 1272740), (20, 890918), (28, 636370), (35, 509096), (40, 445459), (49, 363640), (56, 318185), (70, 254548), (98, 181820), (140, 127274), (196, 90910), (245, 72728), (280, 63637), (392, 45455), (490, 36364), (980, 18182), (1960, 9091)]