27900778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1831}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 44187840

約数和(自身を除く): 16287062

約数列:

[1, 2, 19, 38, 401, 802, 1831, 3662, 7619, 15238, 34789, 69578, 734231, 1468462, 13950389, 27900778]

約数ペア:

[(1, 27900778), (2, 13950389), (19, 1468462), (38, 734231), (401, 69578), (802, 34789), (1831, 15238), (3662, 7619)]