19955306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 36944640

約数和(自身を除く): 16989334

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2137, 4274, 4669, 9338, 14959, 29918, 49151, 61973, 98302, 123946, 344057, 433811, 688114, 867622, 1425379, 2850758, 9977653, 19955306]

約数ペア:

[(1, 19955306), (2, 9977653), (7, 2850758), (14, 1425379), (23, 867622), (29, 688114), (46, 433811), (58, 344057), (161, 123946), (203, 98302), (322, 61973), (406, 49151), (667, 29918), (1334, 14959), (2137, 9338), (4274, 4669)]