19198402

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1497

約数の個数: 16

約数和(自身を含む): 29574720

約数和(自身を除く): 10376318

約数列:

[1, 2, 53, 106, 139, 278, 1303, 2606, 7367, 14734, 69059, 138118, 181117, 362234, 9599201, 19198402]

約数ペア:

[(1, 19198402), (2, 9599201), (53, 362234), (106, 181117), (139, 138118), (278, 69059), (1303, 14734), (2606, 7367)]