19945028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{673}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 36234240

約数和(自身を除く): 16289212

約数列:

[1, 2, 4, 31, 62, 124, 239, 478, 673, 956, 1346, 2692, 7409, 14818, 20863, 29636, 41726, 83452, 160847, 321694, 643388, 4986257, 9972514, 19945028]

約数ペア:

[(1, 19945028), (2, 9972514), (4, 4986257), (31, 643388), (62, 321694), (124, 160847), (239, 83452), (478, 41726), (673, 29636), (956, 20863), (1346, 14818), (2692, 7409)]