19215598736

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2936369}}^1$

素因数の和:2936786

約数の個数: 20

約数和(自身を含む): 37321262700

約数和(自身を除く): 18105663964

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 2936369, 5872738, 11745476, 23490952, 46981904, 1200974921, 2401949842, 4803899684, 9607799368, 19215598736]

約数ペア:

[(1, 19215598736), (2, 9607799368), (4, 4803899684), (8, 2401949842), (16, 1200974921), (409, 46981904), (818, 23490952), (1636, 11745476), (3272, 5872738), (6544, 2936369)]