17938414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 30834720

約数和(自身を除く): 12896306

約数列:

[1, 2, 13, 26, 29, 37, 58, 74, 377, 481, 643, 754, 962, 1073, 1286, 2146, 8359, 13949, 16718, 18647, 23791, 27898, 37294, 47582, 242411, 309283, 484822, 618566, 689939, 1379878, 8969207, 17938414]

約数ペア:

[(1, 17938414), (2, 8969207), (13, 1379878), (26, 689939), (29, 618566), (37, 484822), (58, 309283), (74, 242411), (377, 47582), (481, 37294), (643, 27898), (754, 23791), (962, 18647), (1073, 16718), (1286, 13949), (2146, 8359)]