18400228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5431}}^1$

素因数の和:5464

約数の個数: 36

約数和(自身を含む): 40457536

約数和(自身を除く): 22057308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5431, 10862, 21724, 38017, 59741, 76034, 119482, 152068, 238964, 418187, 657151, 836374, 1314302, 1672748, 2628604, 4600057, 9200114, 18400228]

約数ペア:

[(1, 18400228), (2, 9200114), (4, 4600057), (7, 2628604), (11, 1672748), (14, 1314302), (22, 836374), (28, 657151), (44, 418187), (77, 238964), (121, 152068), (154, 119482), (242, 76034), (308, 59741), (484, 38017), (847, 21724), (1694, 10862), (3388, 5431)]