13219516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 25301640

約数和(自身を除く): 12082124

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 181, 362, 589, 724, 961, 1178, 1922, 2356, 3439, 3844, 5611, 6878, 11222, 13756, 18259, 22444, 36518, 73036, 106609, 173941, 213218, 347882, 426436, 695764, 3304879, 6609758, 13219516]

約数ペア:

[(1, 13219516), (2, 6609758), (4, 3304879), (19, 695764), (31, 426436), (38, 347882), (62, 213218), (76, 173941), (124, 106609), (181, 73036), (362, 36518), (589, 22444), (724, 18259), (961, 13756), (1178, 11222), (1922, 6878), (2356, 5611), (3439, 3844)]