19801974

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22654986

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 166, 249, 498, 1411, 2339, 2822, 4233, 4678, 7017, 8466, 14034, 39763, 79526, 119289, 194137, 238578, 388274, 582411, 1164822, 3300329, 6600658, 9900987, 19801974]

約数ペア:

[(1, 19801974), (2, 9900987), (3, 6600658), (6, 3300329), (17, 1164822), (34, 582411), (51, 388274), (83, 238578), (102, 194137), (166, 119289), (249, 79526), (498, 39763), (1411, 14034), (2339, 8466), (2822, 7017), (4233, 4678)]