1945196540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13894261}}^1$

素因数の和:13894277

約数の個数: 24

約数和(自身を含む): 4668472032

約数和(自身を除く): 2723275492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13894261, 27788522, 55577044, 69471305, 97259827, 138942610, 194519654, 277885220, 389039308, 486299135, 972598270, 1945196540]

約数ペア:

[(1, 1945196540), (2, 972598270), (4, 486299135), (5, 389039308), (7, 277885220), (10, 194519654), (14, 138942610), (20, 97259827), (28, 69471305), (35, 55577044), (70, 27788522), (140, 13894261)]