19523684

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16889}}^1$

素因数の和:16927

約数の個数: 18

約数和(自身を含む): 36296610

約数和(自身を除く): 16772926

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16889, 33778, 67556, 287113, 574226, 1148452, 4880921, 9761842, 19523684]

約数ペア:

[(1, 19523684), (2, 9761842), (4, 4880921), (17, 1148452), (34, 574226), (68, 287113), (289, 67556), (578, 33778), (1156, 16889)]