18628364784

素因数分解:

$2^4\times 3^1\times {\mathrm{431}}^1\times {\mathrm{900443}}^1$

素因数の和:900885

約数の個数: 40

約数和(自身を含む): 48234984192

約数和(自身を除く): 29606619408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 1293, 1724, 2586, 3448, 5172, 6896, 10344, 20688, 900443, 1800886, 2701329, 3601772, 5402658, 7203544, 10805316, 14407088, 21610632, 43221264, 388090933, 776181866, 1164272799, 1552363732, 2328545598, 3104727464, 4657091196, 6209454928, 9314182392, 18628364784]

約数ペア:

[(1, 18628364784), (2, 9314182392), (3, 6209454928), (4, 4657091196), (6, 3104727464), (8, 2328545598), (12, 1552363732), (16, 1164272799), (24, 776181866), (48, 388090933), (431, 43221264), (862, 21610632), (1293, 14407088), (1724, 10805316), (2586, 7203544), (3448, 5402658), (5172, 3601772), (6896, 2701329), (10344, 1800886), (20688, 900443)]