19995616

素因数分解:

$2^5\times {\mathrm{29}}^2\times {\mathrm{743}}^1$

素因数の和:811

約数の個数: 36

約数和(自身を含む): 40825512

約数和(自身を除く): 20829896

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 743, 841, 928, 1486, 1682, 2972, 3364, 5944, 6728, 11888, 13456, 21547, 23776, 26912, 43094, 86188, 172376, 344752, 624863, 689504, 1249726, 2499452, 4998904, 9997808, 19995616]

約数ペア:

[(1, 19995616), (2, 9997808), (4, 4998904), (8, 2499452), (16, 1249726), (29, 689504), (32, 624863), (58, 344752), (116, 172376), (232, 86188), (464, 43094), (743, 26912), (841, 23776), (928, 21547), (1486, 13456), (1682, 11888), (2972, 6728), (3364, 5944)]