19765955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 26806416

約数和(自身を除く): 7040461

約数列:

[1, 5, 11, 37, 55, 121, 185, 407, 605, 883, 2035, 4415, 4477, 9713, 22385, 32671, 48565, 106843, 163355, 359381, 534215, 1796905, 3953191, 19765955]

約数ペア:

[(1, 19765955), (5, 3953191), (11, 1796905), (37, 534215), (55, 359381), (121, 163355), (185, 106843), (407, 48565), (605, 32671), (883, 22385), (2035, 9713), (4415, 4477)]