18505180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23782436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1471, 2516, 2942, 3145, 5884, 6290, 7355, 12580, 14710, 25007, 29420, 50014, 54427, 100028, 108854, 125035, 217708, 250070, 272135, 500140, 544270, 925259, 1088540, 1850518, 3701036, 4626295, 9252590, 18505180]

約数ペア:

[(1, 18505180), (2, 9252590), (4, 4626295), (5, 3701036), (10, 1850518), (17, 1088540), (20, 925259), (34, 544270), (37, 500140), (68, 272135), (74, 250070), (85, 217708), (148, 125035), (170, 108854), (185, 100028), (340, 54427), (370, 50014), (629, 29420), (740, 25007), (1258, 14710), (1471, 12580), (2516, 7355), (2942, 6290), (3145, 5884)]