19809086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13679554

約数列:

[1, 2, 11, 22, 67, 89, 134, 151, 178, 302, 737, 979, 1474, 1661, 1958, 3322, 5963, 10117, 11926, 13439, 20234, 26878, 65593, 111287, 131186, 147829, 222574, 295658, 900413, 1800826, 9904543, 19809086]

約数ペア:

[(1, 19809086), (2, 9904543), (11, 1800826), (22, 900413), (67, 295658), (89, 222574), (134, 147829), (151, 131186), (178, 111287), (302, 65593), (737, 26878), (979, 20234), (1474, 13439), (1661, 11926), (1958, 10117), (3322, 5963)]