19986604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7699}}^1$

素因数の和:7773

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 18821396

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7699, 15398, 30796, 84689, 169378, 338756, 454241, 908482, 1816964, 4996651, 9993302, 19986604]

約数ペア:

[(1, 19986604), (2, 9993302), (4, 4996651), (11, 1816964), (22, 908482), (44, 454241), (59, 338756), (118, 169378), (236, 84689), (649, 30796), (1298, 15398), (2596, 7699)]