19789146

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4491

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 28826694

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4451, 8902, 13353, 26706, 40059, 57863, 80118, 84569, 115726, 169138, 173589, 253707, 347178, 507414, 520767, 761121, 1041534, 1099397, 1522242, 2198794, 3298191, 6596382, 9894573, 19789146]

約数ペア:

[(1, 19789146), (2, 9894573), (3, 6596382), (6, 3298191), (9, 2198794), (13, 1522242), (18, 1099397), (19, 1041534), (26, 761121), (38, 520767), (39, 507414), (57, 347178), (78, 253707), (114, 173589), (117, 169138), (171, 115726), (234, 84569), (247, 80118), (342, 57863), (494, 40059), (741, 26706), (1482, 13353), (2223, 8902), (4446, 4451)]