18940592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4679}}^1$

素因数の和:4721

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 22842448

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4679, 9358, 18716, 37432, 51469, 74864, 102938, 107617, 205876, 215234, 411752, 430468, 823504, 860936, 1183787, 1721872, 2367574, 4735148, 9470296, 18940592]

約数ペア:

[(1, 18940592), (2, 9470296), (4, 4735148), (8, 2367574), (11, 1721872), (16, 1183787), (22, 860936), (23, 823504), (44, 430468), (46, 411752), (88, 215234), (92, 205876), (176, 107617), (184, 102938), (253, 74864), (368, 51469), (506, 37432), (1012, 18716), (2024, 9358), (4048, 4679)]