19813310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 39105504

約数和(自身を除く): 19292194

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 641, 1282, 1405, 2810, 3091, 3205, 6182, 6410, 7051, 14102, 15455, 30910, 35255, 70510, 180121, 360242, 900605, 1801210, 1981331, 3962662, 9906655, 19813310]

約数ペア:

[(1, 19813310), (2, 9906655), (5, 3962662), (10, 1981331), (11, 1801210), (22, 900605), (55, 360242), (110, 180121), (281, 70510), (562, 35255), (641, 30910), (1282, 15455), (1405, 14102), (2810, 7051), (3091, 6410), (3205, 6182)]