18863964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{74857}}^1$

素因数の和:74874

約数の個数: 36

約数和(自身を含む): 54496624

約数和(自身を除く): 35632660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 74857, 149714, 224571, 299428, 449142, 523999, 673713, 898284, 1047998, 1347426, 1571997, 2095996, 2694852, 3143994, 4715991, 6287988, 9431982, 18863964]

約数ペア:

[(1, 18863964), (2, 9431982), (3, 6287988), (4, 4715991), (6, 3143994), (7, 2694852), (9, 2095996), (12, 1571997), (14, 1347426), (18, 1047998), (21, 898284), (28, 673713), (36, 523999), (42, 449142), (63, 299428), (84, 224571), (126, 149714), (252, 74857)]