19681435

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 26449920

約数和(自身を除く): 6768485

約数列:

[1, 5, 19, 31, 41, 95, 155, 163, 205, 589, 779, 815, 1271, 2945, 3097, 3895, 5053, 6355, 6683, 15485, 24149, 25265, 33415, 96007, 120745, 126977, 207173, 480035, 634885, 1035865, 3936287, 19681435]

約数ペア:

[(1, 19681435), (5, 3936287), (19, 1035865), (31, 634885), (41, 480035), (95, 207173), (155, 126977), (163, 120745), (205, 96007), (589, 33415), (779, 25265), (815, 24149), (1271, 15485), (2945, 6683), (3097, 6355), (3895, 5053)]