16915940

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4889}}^1$

素因数の和:5071

約数の個数: 24

約数和(自身を含む): 35736120

約数和(自身を除く): 18820180

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 4889, 9778, 19556, 24445, 48890, 97780, 845797, 1691594, 3383188, 4228985, 8457970, 16915940]

約数ペア:

[(1, 16915940), (2, 8457970), (4, 4228985), (5, 3383188), (10, 1691594), (20, 845797), (173, 97780), (346, 48890), (692, 24445), (865, 19556), (1730, 9778), (3460, 4889)]