18881288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7307}}^1$

素因数の和:7349

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 20581912

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7307, 14614, 29228, 58456, 124219, 138833, 248438, 277666, 496876, 555332, 993752, 1110664, 2360161, 4720322, 9440644, 18881288]

約数ペア:

[(1, 18881288), (2, 9440644), (4, 4720322), (8, 2360161), (17, 1110664), (19, 993752), (34, 555332), (38, 496876), (68, 277666), (76, 248438), (136, 138833), (152, 124219), (323, 58456), (646, 29228), (1292, 14614), (2584, 7307)]