19084374

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 42625440

約数和(自身を除く): 23541066

約数列:

[1, 2, 3, 6, 9, 18, 71, 109, 137, 142, 213, 218, 274, 327, 411, 426, 639, 654, 822, 981, 1233, 1278, 1962, 2466, 7739, 9727, 14933, 15478, 19454, 23217, 29181, 29866, 44799, 46434, 58362, 69651, 87543, 89598, 134397, 139302, 175086, 268794, 1060243, 2120486, 3180729, 6361458, 9542187, 19084374]

約数ペア:

[(1, 19084374), (2, 9542187), (3, 6361458), (6, 3180729), (9, 2120486), (18, 1060243), (71, 268794), (109, 175086), (137, 139302), (142, 134397), (213, 89598), (218, 87543), (274, 69651), (327, 58362), (411, 46434), (426, 44799), (639, 29866), (654, 29181), (822, 23217), (981, 19454), (1233, 15478), (1278, 14933), (1962, 9727), (2466, 7739)]