18387345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 12860655

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 433, 447, 745, 1299, 2165, 2235, 2831, 6495, 8227, 8493, 14155, 24681, 41135, 42465, 64517, 123405, 193551, 322585, 967755, 1225823, 3677469, 6129115, 18387345]

約数ペア:

[(1, 18387345), (3, 6129115), (5, 3677469), (15, 1225823), (19, 967755), (57, 322585), (95, 193551), (149, 123405), (285, 64517), (433, 42465), (447, 41135), (745, 24681), (1299, 14155), (2165, 8493), (2235, 8227), (2831, 6495)]