15905296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{90371}}^1$

素因数の和:90390

約数の個数: 20

約数和(自身を含む): 33618384

約数和(自身を除く): 17713088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 90371, 180742, 361484, 722968, 994081, 1445936, 1988162, 3976324, 7952648, 15905296]

約数ペア:

[(1, 15905296), (2, 7952648), (4, 3976324), (8, 1988162), (11, 1445936), (16, 994081), (22, 722968), (44, 361484), (88, 180742), (176, 90371)]