18921517102

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 28846058400

約数和(自身を除く): 9924541298

約数列:

[1, 2, 113, 226, 277, 409, 554, 739, 818, 1478, 31301, 46217, 62602, 83507, 92434, 113293, 167014, 204703, 226586, 302251, 409406, 604502, 12802109, 23131439, 25604218, 34154363, 46262878, 68308726, 83723527, 167447054, 9460758551, 18921517102]

約数ペア:

[(1, 18921517102), (2, 9460758551), (113, 167447054), (226, 83723527), (277, 68308726), (409, 46262878), (554, 34154363), (739, 25604218), (818, 23131439), (1478, 12802109), (31301, 604502), (46217, 409406), (62602, 302251), (83507, 226586), (92434, 204703), (113293, 167014)]