18389510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 34497792

約数和(自身を除く): 16108282

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 433, 685, 866, 1370, 2165, 4247, 4330, 8494, 13423, 21235, 26846, 42470, 59321, 67115, 118642, 134230, 296605, 593210, 1838951, 3677902, 9194755, 18389510]

約数ペア:

[(1, 18389510), (2, 9194755), (5, 3677902), (10, 1838951), (31, 593210), (62, 296605), (137, 134230), (155, 118642), (274, 67115), (310, 59321), (433, 42470), (685, 26846), (866, 21235), (1370, 13423), (2165, 8494), (4247, 4330)]