19905754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1373}}^1$

素因数の和:2045

約数の個数: 16

約数和(自身を含む): 32646240

約数和(自身を除く): 12740486

約数列:

[1, 2, 11, 22, 659, 1318, 1373, 2746, 7249, 14498, 15103, 30206, 904807, 1809614, 9952877, 19905754]

約数ペア:

[(1, 19905754), (2, 9952877), (11, 1809614), (22, 904807), (659, 30206), (1318, 15103), (1373, 14498), (2746, 7249)]