19711368

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{11903}}^1$

素因数の和:11938

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 35999352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 11903, 23806, 35709, 47612, 71418, 95224, 107127, 142836, 214254, 273769, 285672, 428508, 547538, 821307, 857016, 1095076, 1642614, 2190152, 2463921, 3285228, 4927842, 6570456, 9855684, 19711368]

約数ペア:

[(1, 19711368), (2, 9855684), (3, 6570456), (4, 4927842), (6, 3285228), (8, 2463921), (9, 2190152), (12, 1642614), (18, 1095076), (23, 857016), (24, 821307), (36, 547538), (46, 428508), (69, 285672), (72, 273769), (92, 214254), (138, 142836), (184, 107127), (207, 95224), (276, 71418), (414, 47612), (552, 35709), (828, 23806), (1656, 11903)]