19915210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 21235382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 971, 1465, 1942, 2051, 2930, 4102, 4855, 6797, 9710, 10255, 13594, 20510, 33985, 67970, 284503, 569006, 1422515, 1991521, 2845030, 3983042, 9957605, 19915210]

約数ペア:

[(1, 19915210), (2, 9957605), (5, 3983042), (7, 2845030), (10, 1991521), (14, 1422515), (35, 569006), (70, 284503), (293, 67970), (586, 33985), (971, 20510), (1465, 13594), (1942, 10255), (2051, 9710), (2930, 6797), (4102, 4855)]