19819892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7109}}^1$

素因数の和:7171

約数の個数: 24

約数和(自身を含む): 37626120

約数和(自身を除く): 17806228

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7109, 14218, 28436, 120853, 241706, 291469, 483412, 582938, 1165876, 4954973, 9909946, 19819892]

約数ペア:

[(1, 19819892), (2, 9909946), (4, 4954973), (17, 1165876), (34, 582938), (41, 483412), (68, 291469), (82, 241706), (164, 120853), (697, 28436), (1394, 14218), (2788, 7109)]