19786256

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7681}}^1$

素因数の和:7719

約数の個数: 40

約数和(自身を含む): 45723264

約数和(自身を除く): 25937008

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7681, 15362, 30724, 53767, 61448, 107534, 122896, 176663, 215068, 353326, 430136, 706652, 860272, 1236641, 1413304, 2473282, 2826608, 4946564, 9893128, 19786256]

約数ペア:

[(1, 19786256), (2, 9893128), (4, 4946564), (7, 2826608), (8, 2473282), (14, 1413304), (16, 1236641), (23, 860272), (28, 706652), (46, 430136), (56, 353326), (92, 215068), (112, 176663), (161, 122896), (184, 107534), (322, 61448), (368, 53767), (644, 30724), (1288, 15362), (2576, 7681)]