19660279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 21694176

約数和(自身を除く): 2033897

約数列:

[1, 17, 41, 67, 421, 697, 1139, 2747, 7157, 17261, 28207, 46699, 293437, 479519, 1156487, 19660279]

約数ペア:

[(1, 19660279), (17, 1156487), (41, 479519), (67, 293437), (421, 46699), (697, 28207), (1139, 17261), (2747, 7157)]