19945096

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 18439544

約数列:

[1, 2, 4, 8, 67, 127, 134, 254, 268, 293, 508, 536, 586, 1016, 1172, 2344, 8509, 17018, 19631, 34036, 37211, 39262, 68072, 74422, 78524, 148844, 157048, 297688, 2493137, 4986274, 9972548, 19945096]

約数ペア:

[(1, 19945096), (2, 9972548), (4, 4986274), (8, 2493137), (67, 297688), (127, 157048), (134, 148844), (254, 78524), (268, 74422), (293, 68072), (508, 39262), (536, 37211), (586, 34036), (1016, 19631), (1172, 17018), (2344, 8509)]