2017923728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{15767}}^1$

素因数の和:16215

約数の個数: 40

約数和(自身を含む): 4125539520

約数和(自身を除く): 2107615792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 421, 842, 1684, 3368, 6736, 7999, 15767, 15998, 31534, 31996, 63068, 63992, 126136, 127984, 252272, 299573, 599146, 1198292, 2396584, 4793168, 6637907, 13275814, 26551628, 53103256, 106206512, 126120233, 252240466, 504480932, 1008961864, 2017923728]

約数ペア:

[(1, 2017923728), (2, 1008961864), (4, 504480932), (8, 252240466), (16, 126120233), (19, 106206512), (38, 53103256), (76, 26551628), (152, 13275814), (304, 6637907), (421, 4793168), (842, 2396584), (1684, 1198292), (3368, 599146), (6736, 299573), (7999, 252272), (15767, 127984), (15998, 126136), (31534, 63992), (31996, 63068)]