19456240340

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{661327}}^1$

素因数の和:662807

約数の個数: 24

約数和(自身を含む): 40885942272

約数和(自身を除く): 21429701932

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 7355, 14710, 29420, 661327, 1322654, 2645308, 3306635, 6613270, 13226540, 972812017, 1945624034, 3891248068, 4864060085, 9728120170, 19456240340]

約数ペア:

[(1, 19456240340), (2, 9728120170), (4, 4864060085), (5, 3891248068), (10, 1945624034), (20, 972812017), (1471, 13226540), (2942, 6613270), (5884, 3306635), (7355, 2645308), (14710, 1322654), (29420, 661327)]