19819774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 34382880

約数和(自身を除く): 14563106

約数列:

[1, 2, 13, 19, 26, 38, 53, 106, 247, 494, 689, 757, 1007, 1378, 1514, 2014, 9841, 13091, 14383, 19682, 26182, 28766, 40121, 80242, 186979, 373958, 521573, 762299, 1043146, 1524598, 9909887, 19819774]

約数ペア:

[(1, 19819774), (2, 9909887), (13, 1524598), (19, 1043146), (26, 762299), (38, 521573), (53, 373958), (106, 186979), (247, 80242), (494, 40121), (689, 28766), (757, 26182), (1007, 19682), (1378, 14383), (1514, 13091), (2014, 9841)]