18031816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21366584

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 59, 88, 92, 118, 151, 184, 236, 253, 302, 472, 506, 604, 649, 1012, 1208, 1298, 1357, 1661, 2024, 2596, 2714, 3322, 3473, 5192, 5428, 6644, 6946, 8909, 10856, 13288, 13892, 14927, 17818, 27784, 29854, 35636, 38203, 59708, 71272, 76406, 97999, 119416, 152812, 195998, 204907, 305624, 391996, 409814, 783992, 819628, 1639256, 2253977, 4507954, 9015908, 18031816]

約数ペア:

[(1, 18031816), (2, 9015908), (4, 4507954), (8, 2253977), (11, 1639256), (22, 819628), (23, 783992), (44, 409814), (46, 391996), (59, 305624), (88, 204907), (92, 195998), (118, 152812), (151, 119416), (184, 97999), (236, 76406), (253, 71272), (302, 59708), (472, 38203), (506, 35636), (604, 29854), (649, 27784), (1012, 17818), (1208, 14927), (1298, 13892), (1357, 13288), (1661, 10856), (2024, 8909), (2596, 6946), (2714, 6644), (3322, 5428), (3473, 5192)]