19109853

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2586

約数の個数: 36

約数和(自身を含む): 34011900

約数和(自身を除く): 14902047

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 2549, 7497, 7647, 17843, 22941, 43333, 53529, 124901, 129999, 160587, 303331, 374703, 389997, 909993, 1124109, 2123317, 2729979, 6369951, 19109853]

約数ペア:

[(1, 19109853), (3, 6369951), (7, 2729979), (9, 2123317), (17, 1124109), (21, 909993), (49, 389997), (51, 374703), (63, 303331), (119, 160587), (147, 129999), (153, 124901), (357, 53529), (441, 43333), (833, 22941), (1071, 17843), (2499, 7647), (2549, 7497)]