19496696

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 17925304

約数列:

[1, 2, 4, 8, 89, 139, 178, 197, 278, 356, 394, 556, 712, 788, 1112, 1576, 12371, 17533, 24742, 27383, 35066, 49484, 54766, 70132, 98968, 109532, 140264, 219064, 2437087, 4874174, 9748348, 19496696]

約数ペア:

[(1, 19496696), (2, 9748348), (4, 4874174), (8, 2437087), (89, 219064), (139, 140264), (178, 109532), (197, 98968), (278, 70132), (356, 54766), (394, 49484), (556, 35066), (712, 27383), (788, 24742), (1112, 17533), (1576, 12371)]