19985696

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15233}}^1$

素因数の和:15284

約数の個数: 24

約数和(自身を含む): 40309164

約数和(自身を除く): 20323468

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15233, 30466, 60932, 121864, 243728, 487456, 624553, 1249106, 2498212, 4996424, 9992848, 19985696]

約数ペア:

[(1, 19985696), (2, 9992848), (4, 4996424), (8, 2498212), (16, 1249106), (32, 624553), (41, 487456), (82, 243728), (164, 121864), (328, 60932), (656, 30466), (1312, 15233)]