18945014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 33212160

約数和(自身を除く): 14267146

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 743, 1159, 1342, 1486, 2318, 8173, 12749, 14117, 16346, 25498, 28234, 45323, 90646, 155287, 310574, 498553, 861137, 997106, 1722274, 9472507, 18945014]

約数ペア:

[(1, 18945014), (2, 9472507), (11, 1722274), (19, 997106), (22, 861137), (38, 498553), (61, 310574), (122, 155287), (209, 90646), (418, 45323), (671, 28234), (743, 25498), (1159, 16346), (1342, 14117), (1486, 12749), (2318, 8173)]