19858936

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2917}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 39918240

約数和(自身を除く): 20059304

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 296, 851, 1702, 2917, 3404, 5834, 6808, 11668, 23336, 67091, 107929, 134182, 215858, 268364, 431716, 536728, 863432, 2482367, 4964734, 9929468, 19858936]

約数ペア:

[(1, 19858936), (2, 9929468), (4, 4964734), (8, 2482367), (23, 863432), (37, 536728), (46, 431716), (74, 268364), (92, 215858), (148, 134182), (184, 107929), (296, 67091), (851, 23336), (1702, 11668), (2917, 6808), (3404, 5834)]