17815996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 36328320

約数和(自身を除く): 18512324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 101, 202, 209, 211, 404, 418, 422, 836, 844, 1111, 1919, 2222, 2321, 3838, 4009, 4444, 4642, 7676, 8018, 9284, 16036, 21109, 21311, 42218, 42622, 44099, 84436, 85244, 88198, 176396, 234421, 404909, 468842, 809818, 937684, 1619636, 4453999, 8907998, 17815996]

約数ペア:

[(1, 17815996), (2, 8907998), (4, 4453999), (11, 1619636), (19, 937684), (22, 809818), (38, 468842), (44, 404909), (76, 234421), (101, 176396), (202, 88198), (209, 85244), (211, 84436), (404, 44099), (418, 42622), (422, 42218), (836, 21311), (844, 21109), (1111, 16036), (1919, 9284), (2222, 8018), (2321, 7676), (3838, 4642), (4009, 4444)]