19749470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3533}}^1$

素因数の和:3596

約数の個数: 32

約数和(自身を含む): 39184992

約数和(自身を除く): 19435522

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3533, 5590, 7066, 17665, 35330, 45929, 91858, 151919, 229645, 303838, 459290, 759595, 1519190, 1974947, 3949894, 9874735, 19749470]

約数ペア:

[(1, 19749470), (2, 9874735), (5, 3949894), (10, 1974947), (13, 1519190), (26, 759595), (43, 459290), (65, 303838), (86, 229645), (130, 151919), (215, 91858), (430, 45929), (559, 35330), (1118, 17665), (2795, 7066), (3533, 5590)]