19428123

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 12747237

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 179, 253, 299, 363, 429, 537, 759, 897, 1573, 1969, 2327, 2783, 3289, 4117, 4719, 5907, 6981, 8349, 9867, 12351, 21659, 25597, 36179, 45287, 53521, 64977, 76791, 108537, 135861, 160563, 281567, 498157, 588731, 844701, 1494471, 1766193, 6476041, 19428123]

約数ペア:

[(1, 19428123), (3, 6476041), (11, 1766193), (13, 1494471), (23, 844701), (33, 588731), (39, 498157), (69, 281567), (121, 160563), (143, 135861), (179, 108537), (253, 76791), (299, 64977), (363, 53521), (429, 45287), (537, 36179), (759, 25597), (897, 21659), (1573, 12351), (1969, 9867), (2327, 8349), (2783, 6981), (3289, 5907), (4117, 4719)]