19916016

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{4999}}^1$

素因数の和:5093

約数の個数: 40

約数和(自身を含む): 52080000

約数和(自身を除く): 32163984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 4999, 9998, 14997, 19996, 29994, 39992, 59988, 79984, 119976, 239952, 414917, 829834, 1244751, 1659668, 2489502, 3319336, 4979004, 6638672, 9958008, 19916016]

約数ペア:

[(1, 19916016), (2, 9958008), (3, 6638672), (4, 4979004), (6, 3319336), (8, 2489502), (12, 1659668), (16, 1244751), (24, 829834), (48, 414917), (83, 239952), (166, 119976), (249, 79984), (332, 59988), (498, 39992), (664, 29994), (996, 19996), (1328, 14997), (1992, 9998), (3984, 4999)]