2019762778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{21617}}^1$

素因数の和:21798

約数の個数: 32

約数和(自身を含む): 3436743168

約数和(自身を除く): 1416980390

約数列:

[1, 2, 11, 22, 31, 62, 137, 274, 341, 682, 1507, 3014, 4247, 8494, 21617, 43234, 46717, 93434, 237787, 475574, 670127, 1340254, 2961529, 5923058, 7371397, 14742794, 32576819, 65153638, 91807399, 183614798, 1009881389, 2019762778]

約数ペア:

[(1, 2019762778), (2, 1009881389), (11, 183614798), (22, 91807399), (31, 65153638), (62, 32576819), (137, 14742794), (274, 7371397), (341, 5923058), (682, 2961529), (1507, 1340254), (3014, 670127), (4247, 475574), (8494, 237787), (21617, 93434), (43234, 46717)]