19850148

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:1624

約数の個数: 36

約数和(自身を含む): 50323728

約数和(自身を除く): 30473580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1123, 1473, 1964, 2246, 2946, 3369, 4419, 4492, 5892, 6738, 8838, 10107, 13476, 17676, 20214, 40428, 551393, 1102786, 1654179, 2205572, 3308358, 4962537, 6616716, 9925074, 19850148]

約数ペア:

[(1, 19850148), (2, 9925074), (3, 6616716), (4, 4962537), (6, 3308358), (9, 2205572), (12, 1654179), (18, 1102786), (36, 551393), (491, 40428), (982, 20214), (1123, 17676), (1473, 13476), (1964, 10107), (2246, 8838), (2946, 6738), (3369, 5892), (4419, 4492)]