1900989784

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{17341}}^1$

素因数の和:17611

約数の個数: 32

約数和(自身を含む): 3633495840

約数和(自身を除く): 1732506056

約数列:

[1, 2, 4, 8, 71, 142, 193, 284, 386, 568, 772, 1544, 13703, 17341, 27406, 34682, 54812, 69364, 109624, 138728, 1231211, 2462422, 3346813, 4924844, 6693626, 9849688, 13387252, 26774504, 237623723, 475247446, 950494892, 1900989784]

約数ペア:

[(1, 1900989784), (2, 950494892), (4, 475247446), (8, 237623723), (71, 26774504), (142, 13387252), (193, 9849688), (284, 6693626), (386, 4924844), (568, 3346813), (772, 2462422), (1544, 1231211), (13703, 138728), (17341, 109624), (27406, 69364), (34682, 54812)]