31915212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20030

約数の個数: 48

約数和(自身を含む): 89591040

約数和(自身を除く): 57675828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 19997, 39994, 59991, 79988, 119982, 139979, 239964, 279958, 379943, 419937, 559916, 759886, 839874, 1139829, 1519772, 1679748, 2279658, 2659601, 4559316, 5319202, 7978803, 10638404, 15957606, 31915212]

約数ペア:

[(1, 31915212), (2, 15957606), (3, 10638404), (4, 7978803), (6, 5319202), (7, 4559316), (12, 2659601), (14, 2279658), (19, 1679748), (21, 1519772), (28, 1139829), (38, 839874), (42, 759886), (57, 559916), (76, 419937), (84, 379943), (114, 279958), (133, 239964), (228, 139979), (266, 119982), (399, 79988), (532, 59991), (798, 39994), (1596, 19997)]