18542890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 16811990

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 1487, 2494, 2974, 6235, 7435, 12470, 14870, 43123, 63941, 86246, 127882, 215615, 319705, 431230, 639410, 1854289, 3708578, 9271445, 18542890]

約数ペア:

[(1, 18542890), (2, 9271445), (5, 3708578), (10, 1854289), (29, 639410), (43, 431230), (58, 319705), (86, 215615), (145, 127882), (215, 86246), (290, 63941), (430, 43123), (1247, 14870), (1487, 12470), (2494, 7435), (2974, 6235)]