18709792

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 39426912

約数和(自身を除く): 20717120

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 163, 211, 272, 326, 422, 544, 652, 844, 1304, 1688, 2608, 2771, 3376, 3587, 5216, 5542, 6752, 7174, 11084, 14348, 22168, 28696, 34393, 44336, 57392, 68786, 88672, 114784, 137572, 275144, 550288, 584681, 1100576, 1169362, 2338724, 4677448, 9354896, 18709792]

約数ペア:

[(1, 18709792), (2, 9354896), (4, 4677448), (8, 2338724), (16, 1169362), (17, 1100576), (32, 584681), (34, 550288), (68, 275144), (136, 137572), (163, 114784), (211, 88672), (272, 68786), (326, 57392), (422, 44336), (544, 34393), (652, 28696), (844, 22168), (1304, 14348), (1688, 11084), (2608, 7174), (2771, 6752), (3376, 5542), (3587, 5216)]