19647784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11113}}^1$

素因数の和:11149

約数の個数: 32

約数和(自身を含む): 42010920

約数和(自身を除く): 22363136

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11113, 22226, 44452, 88904, 144469, 188921, 288938, 377842, 577876, 755684, 1155752, 1511368, 2455973, 4911946, 9823892, 19647784]

約数ペア:

[(1, 19647784), (2, 9823892), (4, 4911946), (8, 2455973), (13, 1511368), (17, 1155752), (26, 755684), (34, 577876), (52, 377842), (68, 288938), (104, 188921), (136, 144469), (221, 88904), (442, 44452), (884, 22226), (1768, 11113)]