18109845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 18661995

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 607, 663, 765, 1105, 1755, 1821, 1989, 2295, 3035, 3315, 5463, 5967, 7891, 9105, 9945, 10319, 16389, 23673, 27315, 29835, 30957, 39455, 51595, 71019, 81945, 92871, 118365, 134147, 154785, 213057, 278613, 355095, 402441, 464355, 670735, 1065285, 1207323, 1393065, 2012205, 3621969, 6036615, 18109845]

約数ペア:

[(1, 18109845), (3, 6036615), (5, 3621969), (9, 2012205), (13, 1393065), (15, 1207323), (17, 1065285), (27, 670735), (39, 464355), (45, 402441), (51, 355095), (65, 278613), (85, 213057), (117, 154785), (135, 134147), (153, 118365), (195, 92871), (221, 81945), (255, 71019), (351, 51595), (459, 39455), (585, 30957), (607, 29835), (663, 27315), (765, 23673), (1105, 16389), (1755, 10319), (1821, 9945), (1989, 9105), (2295, 7891), (3035, 5967), (3315, 5463)]