19842812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7393}}^1$

素因数の和:7469

約数の個数: 24

約数和(自身を含む): 38507952

約数和(自身を除く): 18665140

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7393, 14786, 29572, 81323, 162646, 325292, 450973, 901946, 1803892, 4960703, 9921406, 19842812]

約数ペア:

[(1, 19842812), (2, 9921406), (4, 4960703), (11, 1803892), (22, 901946), (44, 450973), (61, 325292), (122, 162646), (244, 81323), (671, 29572), (1342, 14786), (2684, 7393)]