19355248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6469}}^1$

素因数の和:6505

約数の個数: 40

約数和(自身を含む): 43323120

約数和(自身を除く): 23967872

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6469, 12938, 25876, 51752, 71159, 103504, 109973, 142318, 219946, 284636, 439892, 569272, 879784, 1138544, 1209703, 1759568, 2419406, 4838812, 9677624, 19355248]

約数ペア:

[(1, 19355248), (2, 9677624), (4, 4838812), (8, 2419406), (11, 1759568), (16, 1209703), (17, 1138544), (22, 879784), (34, 569272), (44, 439892), (68, 284636), (88, 219946), (136, 142318), (176, 109973), (187, 103504), (272, 71159), (374, 51752), (748, 25876), (1496, 12938), (2992, 6469)]