18890060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7937}}^1$

素因数の和:7970

約数の個数: 48

約数和(自身を含む): 48009024

約数和(自身を除く): 29118964

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7937, 15874, 31748, 39685, 55559, 79370, 111118, 134929, 158740, 222236, 269858, 277795, 539716, 555590, 674645, 944503, 1111180, 1349290, 1889006, 2698580, 3778012, 4722515, 9445030, 18890060]

約数ペア:

[(1, 18890060), (2, 9445030), (4, 4722515), (5, 3778012), (7, 2698580), (10, 1889006), (14, 1349290), (17, 1111180), (20, 944503), (28, 674645), (34, 555590), (35, 539716), (68, 277795), (70, 269858), (85, 222236), (119, 158740), (140, 134929), (170, 111118), (238, 79370), (340, 55559), (476, 39685), (595, 31748), (1190, 15874), (2380, 7937)]