19617276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 52532480

約数和(自身を除く): 32915204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 571, 818, 1142, 1227, 1636, 1713, 2284, 2454, 2863, 3426, 3997, 4908, 5726, 6852, 7994, 8589, 11452, 11991, 15988, 17178, 23982, 34356, 47964, 233539, 467078, 700617, 934156, 1401234, 1634773, 2802468, 3269546, 4904319, 6539092, 9808638, 19617276]

約数ペア:

[(1, 19617276), (2, 9808638), (3, 6539092), (4, 4904319), (6, 3269546), (7, 2802468), (12, 1634773), (14, 1401234), (21, 934156), (28, 700617), (42, 467078), (84, 233539), (409, 47964), (571, 34356), (818, 23982), (1142, 17178), (1227, 15988), (1636, 11991), (1713, 11452), (2284, 8589), (2454, 7994), (2863, 6852), (3426, 5726), (3997, 4908)]