19788010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3049}}^1$

素因数の和:3126

約数の個数: 32

約数和(自身を含む): 39528000

約数和(自身を除く): 19739990

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3049, 3245, 6098, 6490, 15245, 30490, 33539, 67078, 167695, 179891, 335390, 359782, 899455, 1798910, 1978801, 3957602, 9894005, 19788010]

約数ペア:

[(1, 19788010), (2, 9894005), (5, 3957602), (10, 1978801), (11, 1798910), (22, 899455), (55, 359782), (59, 335390), (110, 179891), (118, 167695), (295, 67078), (590, 33539), (649, 30490), (1298, 15245), (3049, 6490), (3245, 6098)]