19745110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25643}}^1$

素因数の和:25668

約数の個数: 32

約数和(自身を含む): 44312832

約数和(自身を除く): 24567722

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25643, 51286, 128215, 179501, 256430, 282073, 359002, 564146, 897505, 1410365, 1795010, 1974511, 2820730, 3949022, 9872555, 19745110]

約数ペア:

[(1, 19745110), (2, 9872555), (5, 3949022), (7, 2820730), (10, 1974511), (11, 1795010), (14, 1410365), (22, 897505), (35, 564146), (55, 359002), (70, 282073), (77, 256430), (110, 179501), (154, 128215), (385, 51286), (770, 25643)]