19655152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 41841072

約数和(自身を除く): 22185920

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 617, 724, 1234, 1448, 1991, 2468, 2896, 3982, 4936, 6787, 7964, 9872, 13574, 15928, 27148, 31856, 54296, 108592, 111677, 223354, 446708, 893416, 1228447, 1786832, 2456894, 4913788, 9827576, 19655152]

約数ペア:

[(1, 19655152), (2, 9827576), (4, 4913788), (8, 2456894), (11, 1786832), (16, 1228447), (22, 893416), (44, 446708), (88, 223354), (176, 111677), (181, 108592), (362, 54296), (617, 31856), (724, 27148), (1234, 15928), (1448, 13574), (1991, 9872), (2468, 7964), (2896, 6787), (3982, 4936)]