19666716

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 28088292

約数列:

[1, 2, 3, 4, 6, 12, 41, 71, 82, 123, 142, 164, 213, 246, 284, 426, 492, 563, 852, 1126, 1689, 2252, 2911, 3378, 5822, 6756, 8733, 11644, 17466, 23083, 34932, 39973, 46166, 69249, 79946, 92332, 119919, 138498, 159892, 239838, 276996, 479676, 1638893, 3277786, 4916679, 6555572, 9833358, 19666716]

約数ペア:

[(1, 19666716), (2, 9833358), (3, 6555572), (4, 4916679), (6, 3277786), (12, 1638893), (41, 479676), (71, 276996), (82, 239838), (123, 159892), (142, 138498), (164, 119919), (213, 92332), (246, 79946), (284, 69249), (426, 46166), (492, 39973), (563, 34932), (852, 23083), (1126, 17466), (1689, 11644), (2252, 8733), (2911, 6756), (3378, 5822)]