19870892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4003}}^1$

素因数の和:4097

約数の個数: 24

約数和(自身を含む): 37333296

約数和(自身を除く): 17462404

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4003, 4964, 8006, 16012, 68051, 136102, 272204, 292219, 584438, 1168876, 4967723, 9935446, 19870892]

約数ペア:

[(1, 19870892), (2, 9935446), (4, 4967723), (17, 1168876), (34, 584438), (68, 292219), (73, 272204), (146, 136102), (292, 68051), (1241, 16012), (2482, 8006), (4003, 4964)]