18773876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 36

約数和(自身を含む): 36644160

約数和(自身を除く): 17870284

約数列:

[1, 2, 4, 11, 22, 44, 79, 121, 158, 242, 316, 484, 491, 869, 982, 1738, 1964, 3476, 5401, 9559, 10802, 19118, 21604, 38236, 38789, 59411, 77578, 118822, 155156, 237644, 426679, 853358, 1706716, 4693469, 9386938, 18773876]

約数ペア:

[(1, 18773876), (2, 9386938), (4, 4693469), (11, 1706716), (22, 853358), (44, 426679), (79, 237644), (121, 155156), (158, 118822), (242, 77578), (316, 59411), (484, 38789), (491, 38236), (869, 21604), (982, 19118), (1738, 10802), (1964, 9559), (3476, 5401)]