19392568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 39362400

約数和(自身を除く): 19969832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 709, 1052, 1418, 2104, 2836, 3419, 5672, 6838, 9217, 13676, 18434, 27352, 36868, 73736, 186467, 372934, 745868, 1491736, 2424071, 4848142, 9696284, 19392568]

約数ペア:

[(1, 19392568), (2, 9696284), (4, 4848142), (8, 2424071), (13, 1491736), (26, 745868), (52, 372934), (104, 186467), (263, 73736), (526, 36868), (709, 27352), (1052, 18434), (1418, 13676), (2104, 9217), (2836, 6838), (3419, 5672)]