2019803408

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{85469}}^1$

素因数の和:85695

約数の個数: 40

約数和(自身を含む): 4493670720

約数和(自身を除く): 2473867312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 23632, 85469, 170938, 341876, 598283, 683752, 1196566, 1367504, 2393132, 4786264, 9572528, 18033959, 36067918, 72135836, 126237713, 144271672, 252475426, 288543344, 504950852, 1009901704, 2019803408]

約数ペア:

[(1, 2019803408), (2, 1009901704), (4, 504950852), (7, 288543344), (8, 252475426), (14, 144271672), (16, 126237713), (28, 72135836), (56, 36067918), (112, 18033959), (211, 9572528), (422, 4786264), (844, 2393132), (1477, 1367504), (1688, 1196566), (2954, 683752), (3376, 598283), (5908, 341876), (11816, 170938), (23632, 85469)]