19074640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18341}}^1$

素因数の和:18367

約数の個数: 40

約数和(自身を含む): 47762568

約数和(自身を除く): 28687928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18341, 36682, 73364, 91705, 146728, 183410, 238433, 293456, 366820, 476866, 733640, 953732, 1192165, 1467280, 1907464, 2384330, 3814928, 4768660, 9537320, 19074640]

約数ペア:

[(1, 19074640), (2, 9537320), (4, 4768660), (5, 3814928), (8, 2384330), (10, 1907464), (13, 1467280), (16, 1192165), (20, 953732), (26, 733640), (40, 476866), (52, 366820), (65, 293456), (80, 238433), (104, 183410), (130, 146728), (208, 91705), (260, 73364), (520, 36682), (1040, 18341)]