19765648

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7673}}^1$

素因数の和:7711

約数の個数: 40

約数和(自身を含む): 45675648

約数和(自身を除く): 25910000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7673, 15346, 30692, 53711, 61384, 107422, 122768, 176479, 214844, 352958, 429688, 705916, 859376, 1235353, 1411832, 2470706, 2823664, 4941412, 9882824, 19765648]

約数ペア:

[(1, 19765648), (2, 9882824), (4, 4941412), (7, 2823664), (8, 2470706), (14, 1411832), (16, 1235353), (23, 859376), (28, 705916), (46, 429688), (56, 352958), (92, 214844), (112, 176479), (161, 122768), (184, 107422), (322, 61384), (368, 53711), (644, 30692), (1288, 15346), (2576, 7673)]