15840376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 32848200

約数和(自身を除く): 17007824

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 197, 394, 437, 529, 788, 874, 1058, 1576, 1748, 2116, 3496, 3743, 4232, 4531, 7486, 9062, 10051, 14972, 18124, 20102, 29944, 36248, 40204, 80408, 86089, 104213, 172178, 208426, 344356, 416852, 688712, 833704, 1980047, 3960094, 7920188, 15840376]

約数ペア:

[(1, 15840376), (2, 7920188), (4, 3960094), (8, 1980047), (19, 833704), (23, 688712), (38, 416852), (46, 344356), (76, 208426), (92, 172178), (152, 104213), (184, 86089), (197, 80408), (394, 40204), (437, 36248), (529, 29944), (788, 20102), (874, 18124), (1058, 14972), (1576, 10051), (1748, 9062), (2116, 7486), (3496, 4531), (3743, 4232)]