18484492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 18982868

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 353, 494, 689, 706, 988, 1007, 1378, 1412, 2014, 2756, 4028, 4589, 6707, 9178, 13091, 13414, 18356, 18709, 26182, 26828, 37418, 52364, 74836, 87191, 174382, 243217, 348764, 355471, 486434, 710942, 972868, 1421884, 4621123, 9242246, 18484492]

約数ペア:

[(1, 18484492), (2, 9242246), (4, 4621123), (13, 1421884), (19, 972868), (26, 710942), (38, 486434), (52, 355471), (53, 348764), (76, 243217), (106, 174382), (212, 87191), (247, 74836), (353, 52364), (494, 37418), (689, 26828), (706, 26182), (988, 18709), (1007, 18356), (1378, 13414), (1412, 13091), (2014, 9178), (2756, 6707), (4028, 4589)]