18804015

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7331}}^1$

素因数の和:7364

約数の個数: 32

約数和(自身を含む): 35193600

約数和(自身を除く): 16389585

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7331, 21993, 36655, 65979, 109965, 139289, 197937, 329895, 417867, 696445, 989685, 1253601, 2089335, 3760803, 6268005, 18804015]

約数ペア:

[(1, 18804015), (3, 6268005), (5, 3760803), (9, 2089335), (15, 1253601), (19, 989685), (27, 696445), (45, 417867), (57, 329895), (95, 197937), (135, 139289), (171, 109965), (285, 65979), (513, 36655), (855, 21993), (2565, 7331)]