2018355165

素因数分解:

$3^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{2557}}^1$

素因数の和:4523

約数の個数: 40

約数和(自身を含む): 3621360600

約数和(自身を除く): 1603005435

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1949, 2557, 5847, 7671, 9745, 12785, 17541, 23013, 29235, 38355, 52623, 69039, 87705, 115065, 157869, 207117, 263115, 345195, 789345, 1035585, 4983593, 14950779, 24917965, 44852337, 74753895, 134557011, 224261685, 403671033, 672785055, 2018355165]

約数ペア:

[(1, 2018355165), (3, 672785055), (5, 403671033), (9, 224261685), (15, 134557011), (27, 74753895), (45, 44852337), (81, 24917965), (135, 14950779), (405, 4983593), (1949, 1035585), (2557, 789345), (5847, 345195), (7671, 263115), (9745, 207117), (12785, 157869), (17541, 115065), (23013, 87705), (29235, 69039), (38355, 52623)]