19702242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 49051392

約数和(自身を除く): 29349150

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 271, 542, 577, 813, 1154, 1626, 1731, 1897, 2439, 3462, 3794, 4039, 4878, 5193, 5691, 8078, 10386, 11382, 12117, 17073, 24234, 34146, 36351, 72702, 156367, 312734, 469101, 938202, 1094569, 1407303, 2189138, 2814606, 3283707, 6567414, 9851121, 19702242]

約数ペア:

[(1, 19702242), (2, 9851121), (3, 6567414), (6, 3283707), (7, 2814606), (9, 2189138), (14, 1407303), (18, 1094569), (21, 938202), (42, 469101), (63, 312734), (126, 156367), (271, 72702), (542, 36351), (577, 34146), (813, 24234), (1154, 17073), (1626, 12117), (1731, 11382), (1897, 10386), (2439, 8078), (3462, 5691), (3794, 5193), (4039, 4878)]