18909028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4217}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 35431200

約数和(自身を除く): 16522172

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4217, 4484, 8434, 16868, 80123, 160246, 248803, 320492, 497606, 995212, 4727257, 9454514, 18909028]

約数ペア:

[(1, 18909028), (2, 9454514), (4, 4727257), (19, 995212), (38, 497606), (59, 320492), (76, 248803), (118, 160246), (236, 80123), (1121, 16868), (2242, 8434), (4217, 4484)]