17680390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19429}}^1$

素因数の和:19456

約数の個数: 32

約数和(自身を含む): 39170880

約数和(自身を除く): 21490490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19429, 38858, 97145, 136003, 194290, 252577, 272006, 505154, 680015, 1262885, 1360030, 1768039, 2525770, 3536078, 8840195, 17680390]

約数ペア:

[(1, 17680390), (2, 8840195), (5, 3536078), (7, 2525770), (10, 1768039), (13, 1360030), (14, 1262885), (26, 680015), (35, 505154), (65, 272006), (70, 252577), (91, 194290), (130, 136003), (182, 97145), (455, 38858), (910, 19429)]