18506145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 17620575

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 79, 97, 105, 115, 161, 237, 291, 345, 395, 483, 485, 553, 679, 805, 1185, 1455, 1659, 1817, 2037, 2231, 2415, 2765, 3395, 5451, 6693, 7663, 8295, 9085, 10185, 11155, 12719, 15617, 22989, 27255, 33465, 38157, 38315, 46851, 53641, 63595, 78085, 114945, 160923, 176249, 190785, 234255, 268205, 528747, 804615, 881245, 1233743, 2643735, 3701229, 6168715, 18506145]

約数ペア:

[(1, 18506145), (3, 6168715), (5, 3701229), (7, 2643735), (15, 1233743), (21, 881245), (23, 804615), (35, 528747), (69, 268205), (79, 234255), (97, 190785), (105, 176249), (115, 160923), (161, 114945), (237, 78085), (291, 63595), (345, 53641), (395, 46851), (483, 38315), (485, 38157), (553, 33465), (679, 27255), (805, 22989), (1185, 15617), (1455, 12719), (1659, 11155), (1817, 10185), (2037, 9085), (2231, 8295), (2415, 7663), (2765, 6693), (3395, 5451)]