19504210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 38496384

約数和(自身を除く): 18992174

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 631, 1262, 1405, 2810, 3091, 3155, 6182, 6310, 6941, 13882, 15455, 30910, 34705, 69410, 177311, 354622, 886555, 1773110, 1950421, 3900842, 9752105, 19504210]

約数ペア:

[(1, 19504210), (2, 9752105), (5, 3900842), (10, 1950421), (11, 1773110), (22, 886555), (55, 354622), (110, 177311), (281, 69410), (562, 34705), (631, 30910), (1262, 15455), (1405, 13882), (2810, 6941), (3091, 6310), (3155, 6182)]