18960315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 33357312

約数和(自身を除く): 14396997

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 761, 1661, 2265, 2283, 3805, 4983, 8305, 8371, 11415, 24915, 25113, 41855, 114911, 125565, 344733, 574555, 1264021, 1723665, 3792063, 6320105, 18960315]

約数ペア:

[(1, 18960315), (3, 6320105), (5, 3792063), (11, 1723665), (15, 1264021), (33, 574555), (55, 344733), (151, 125565), (165, 114911), (453, 41855), (755, 25113), (761, 24915), (1661, 11415), (2265, 8371), (2283, 8305), (3805, 4983)]