19755890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25657}}^1$

素因数の和:25682

約数の個数: 32

約数和(自身を含む): 44337024

約数和(自身を除く): 24581134

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25657, 51314, 128285, 179599, 256570, 282227, 359198, 564454, 897995, 1411135, 1795990, 1975589, 2822270, 3951178, 9877945, 19755890]

約数ペア:

[(1, 19755890), (2, 9877945), (5, 3951178), (7, 2822270), (10, 1975589), (11, 1795990), (14, 1411135), (22, 897995), (35, 564454), (55, 359198), (70, 282227), (77, 256570), (110, 179599), (154, 128285), (385, 51314), (770, 25657)]