2018779940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{19913}}^1$

素因数の和:20096

約数の個数: 48

約数和(自身を含む): 4386018672

約数和(自身を除く): 2367238732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 137, 148, 185, 274, 370, 548, 685, 740, 1370, 2740, 5069, 10138, 19913, 20276, 25345, 39826, 50690, 79652, 99565, 101380, 199130, 398260, 736781, 1473562, 2728081, 2947124, 3683905, 5456162, 7367810, 10912324, 13640405, 14735620, 27280810, 54561620, 100938997, 201877994, 403755988, 504694985, 1009389970, 2018779940]

約数ペア:

[(1, 2018779940), (2, 1009389970), (4, 504694985), (5, 403755988), (10, 201877994), (20, 100938997), (37, 54561620), (74, 27280810), (137, 14735620), (148, 13640405), (185, 10912324), (274, 7367810), (370, 5456162), (548, 3683905), (685, 2947124), (740, 2728081), (1370, 1473562), (2740, 736781), (5069, 398260), (10138, 199130), (19913, 101380), (20276, 99565), (25345, 79652), (39826, 50690)]